What are the characteristics of primary skin lesions Milady

Lesions in the initial stages of development or change. Primary lesions are characterized by what? Flat, nonpalpable changes in the skin color or by elevation formed by fluid in a cavity, such as vesicles or pustules. What is a Papule PLAY. A mark on the skin that may indicate an injury or damage that changes the structure of tissues or organs. Two types: Primary & Secondary. Lesions that are a different color than the skin and /or lesions that are raised above the surface of the skin. Requires medical referral There are two types of skin lesions: primary and secondary. Primary skin lesions are changes in color or texture that are generally present at birth or acquired over time, such as a birthmark or an age spot. Secondary skin lesions are a progression of primary skin lesions 4. Herpes Zoster: aka shingles - painful skin condition due to reactivation of the chicken pox 5. Impetigo: a bacterial infection if the skin that often occurs in children. Characterized by clusters of small blisters or crusty lesions filled with bacteria 6. Onychomycosis: fungal infection that produces symptoms of thich, brittle, discolored.

List the characteristics of the following: eczema, herpes simplex, psoriasis, and dermatitis venenata. Eczema - inflammatory skin disease that may be acute or chronic in nature and present in many forms of dry or moist lesions. Eczema is frequently accompanied by itching or burning

Milady Esthetics Chapter 4- Disorders and Diseases of the Ski

  1. Primary lesions Different color than the color of the skin and/or lesions that are raised above the surface of the skin
  2. Milady Basic chapter 12 Skin Analysis; Milady Basic Chapter 12 Skin Analysis. by melanieb1972 Benign lesions seen in oilier areas of the face. described as looking like doughnut Holes. primary effects are wrinkles, collagen and elastin breakdown, pigmentation, and cancer
  3. Primary skin lesions are either present from birth or develop over your lifetime. They are associated with a specific cause or can be a reaction to either internal or external environments. They tend to be divided into three types of groups: Skin lesions formed by fluid within the skin layers, such as vesicles or pustules
  4. -Understand the effects of hormones on the skin. New to the 11th edition are: Sebaceous glands: acne, papule, pustule Essential nutrients Food pyramid groups, MyPlate Dietary guidelines Chapter 11—Disorders and Diseases of the Skin Chapter 10—Disorders and Diseases of the Skin Objectives: -Understand the different types of skin lesions
  5. Discoid lupus erythematosus has characteristic lesions on sun-exposed skin of the face, especially the forehead, nose, and the conchal bowl of the ear. Hidradenitis suppurativa involves skin containing a high density of apocrine glands, including the axillae, groin, and under the breasts
  6. © Copyright 2012 Milady, a part of Cengage Learning. All Rights Reserved. May not be scanned, Title: Slide 1 Author: changeme Created Date: 10/30/2013 8:34:32 A
  7. (Acne Vulgaris) Frequently seen skin disorder characterized by chronic inflammation of the sebaceous glands from retained secretions and bacteria known as propionibacterium acnes

Milady Chapter 8 - Skin Disorders and Diseases Flashcards

  1. Secondary skin lesions: Changes which occur as a result of the natural development of, or due to external manipulation of the primary lesion. (sometimes the secondary changes make it impossible to see and describe the primary lesion) (scale, lichenification, keloid, excoriation, fissure, erosion, ulcer, atrophy, crust, hyperkeratosis
  2. The features in common for benign skin lesions include: Symmetry in shape, colour and structure Stable or slowly evolving Absence of spontaneous bleeding (bleeding or ulceration may be due to recent injury)
  3. Identifying Primary and Secondary Skin Lesions. Primary skin lesions are present at the onset of a disease. In contrast, secondary skin lesions result from changes over time caused by disease progression, manipulation (scratching, picking, rubbing), or treatment. These 2 types of skin lesions can be differentiated as follows
  4. This video is part of a comprehensive medical school microbiology, immunology & infectious diseases course. Your comments on videos will be key as we iterat..
  5. The warmth make the skin relaxed and easier to extract comedones. benighted sinus congestion, and the ozone may have an antiseptic effect. 1. after each use wipe down with disinfectant. 2. at night unscrew and empty the jar to let it dry. make sure that the river seal along the rim of the jar is clean
  6. Inflammatory, painful itching disease of the skin, acute or chronic in nature, presenting many forms of dry or moist lesions. Skin sore or abrasion produced by scratching or scraping. Crack in the skin that penetrates the epidermis, such as chapped hands or lips. Fever blister or cold sore; recurring viral invection
  7. Primary skin lesion s are basic and simple. Secondary skin lesions result from complications of primary skin lesions. c. Primary Skin Lesions. (1) Macule. A macule (figure 3-3) is a definite area of skin in which the skin color has changed from the normal skin color. This area is neither higher nor lower than the surrounding skin area

Primary Skin Lesions SkinVision Librar

Milady Esthetics - Chapter 4: Disorders and diseases of

  1. Skin problems are commonly encountered in primary care. One retrospective chart review of dermatology referrals at a university general medicine clinic found that approximately one-third of.
  2. Background: A subgroup of patients with inflammatory bowel disease (IBD) treated with anti-tumor necrosis factor (TNF) antibodies develop skin lesions, but the lesions and their clinical course are not well-characterized. Objective: To describe patients treated with anti-TNF antibodies who did and did not develop skin lesions. Design: Retrospective cohort
  3. Changes in a mole that can indicate melanoma include an increase in size, irregular edges, change in color, itchiness or skin breakdown. The primary cause of melanoma is ultraviolet light (UV) exposure in those with low levels of the skin pigment melanin. The UV light may be from the sun or other sources, such as tanning devices
  4. This is known as metastatic disease or secondary spread. The chance of this happening mainly depends on how deep the cells have penetrated the skin. Precursor lesions. Melanoma can arise from otherwise normal-appearing skin (in about 75% of melanomas) or from within a mole or freckle, which starts to grow larger and change in appearance
  5. e their immunoarchitectural composition and to deter

Chapter 10 Review Questions Milady's Standard

Skin Cancer Overview. Skin cancer is the most common of all human cancers. In 2020, more than 100,000 people in the U.S. are expected to be diagnosed with some type of the disease. Nearly 7,000. Primary lesions. Primary lesions are those lesions that arise de novo and are therefore the most characteristic of the desease process. Bulla: a circumscribed, elevated fluid-filled lesion greater than 1 cm in size (e.g. epidermolysis bullosa, bullous impetigo). Macule: a circumscribed, flat lesion with color change up to 1 cm in size that is. Primary neoplastic disease of the skin is common. Early recognition of such lesions is important because complete excision will cure almost all cases of skin cancer if performed in the early stages

Chapter 9. The Skin—Structure, Disorders, and Diseases. Know the Anatomy of the Skin. Epidermis; Dermis; Fluids of the Skin; Nerves of the Skin; Skin Color; Skin Elasticity; The Glands of the Skin; Absorption Level of the Skin; Functions of the Skin; Identify Disorders and Diseases of the Skin. Lesions of the Skin; Primary Lesions of the Skin. Stucco keratosis is another harmless skin condition among common skin lesions with the following characteristics: · It consists of small, white-gray papules. · It appears mostly on the ankles or feet. · Men are more likely to have it. · It is more common among fair-skinned individuals The General Dermatology Exam: Learning the Language. The diagnosis of any skin lesion starts with an accurate description of it. To do that, you need to know how to describe a lesion with the associated language. This language, reviewed here, can be used to describe any skin finding

Milady Chapter Skin Disorders and Diseases Chapter 8

Background: Cutaneous metastasis (CM) is a rare condition characterized by skin infiltration and cell proliferation from malignant tumor. Breast cancer is the most common primary malignancy causing CM. This retrospective study aimed to recognize the characteristics of CM from internal organ malignancies, based on the medical records from the Tumor and Dermatology Surgery Division, Department. Annular lesions can present in a variety of diseases. Knowledge of the physical appearance and history of presentation of these skin findings can help in the diagnosis. A pruritic, annular.

Hives are a rash of red bumps that occur suddenly on the skin usually as a result of an allergen. These common skin lesions typically last from a few hours to a few days before subsiding. Hives are widespread and can show up anywhere on the body; they can even move around, disappear, and reappear over a matter of hours Lesions of the SkinLesions of the Skin • Lesion: any change in the continuity of theLesion: any change in the continuity of the skin in texture, color, or shape • Primary lesions: (lesions raised above thePrimary lesions: (lesions raised above the surface of the skin) • Sdli (il ftilSecondary lesions: (piles of material o A disorder that is characterized by dry, scaly skin from sebum deficiency., A non-inflamed buildup of cells, sebum, and other debris inside a follicle., Another name for a boil., This is a what a group of boils are called Metastatic melanoma may be diagnosed on the basis of characteristic skin lesions. Other clues are enlarged lymph nodes and/or symptoms related to other organs. People with metastatic melanoma may feel tired, lethargic and have weight loss prior to the diagnosis being made

Secondary skin lesions 1. Assessment of skin lesion Presented by: Abeer Alenzy, Amjad , Suaad , Smaher , Manar omar Supervisor: Miss.mary 2. Objectives: at the end of the presentation , students will be able to: -know the type of skin lesions. -Differentiate between primary, secondary, vascular lesions Skin lesions are the preferred sample for laboratory confirmation of varicella. Specimens are best collected by unroofing a vesicle, preferably a fresh fluid-filled vesicle, and then rubbing the base of a skin lesion with a polyester swab. Crusts from lesions are also excellent specimens for PCR. Because viral proteins persis The infected skin is often reddish-brown, may be slightly raised from the surrounding skin and may show the appearance of central clearing. The lesions are largely confluent but may have poorly.

The diagnosis and management of primary cutaneous melanoma have traditionally relied on clinical and histological characteristics. Nevertheless, in recent years there has been a significant growth in the usage of ultrasound for studying the cutaneous layers. Thus, the present paper focuses on the primary lesion, its sonographic characteristics, the potential benefits of early imaging, and the. Nodular melanoma is an invasive form of melanoma. Melanoma is a potentially dangerous skin cancer that arises from pigment cells ( melanocytes ). According to New Zealand Cancer Registry data, 2256 invasive melanomas were diagnosed in 2008, and at least 15% were reported as nodular melanoma. There were 371 deaths from all types of melanoma in. When describing a rash there are many characteristics to make note of, including its primary morphology, secondary morphology, demarcation, colour, configuration, and distribution. The focus or this article will be on primary morphology. Reasoning through the first blush Within primary morphology you can stratify a lesion based on whether it is flat or elevated. If the lesion is flat, then it. Erythrasma is a superficial skin infection caused by the Corynebacterium minutissimum bacteria. Initially, symptoms include skin lesions of well-defined pink patches covered with fine scales and wrinkling that become red, then brown and scaly. Erythrasma develops in areas where skin touches skin, such as the armpits, groin, or between the toes

Colours found in pigmented skin lesions include black, brown, red, blue, grey, yellow and white. The colours of dermoscopy. Common naevus. Characteristics of the dermatoscopic structure of the skin lesions include: Symmetry or asymmetry; Homogeny/uniformity (sameness) or heterogeny (structural differences across the lesion). Treatment of skin lesions can vary based on the form, body and other characteristics of each lesion. A doctor can look at each case to determine the right treatment. The treatment may include medication, surgery or home care in the case of harmless skin lesions that only need to heal without any drastic interference

Milady Basic chapter 12 Skin Analysis Flashcards - Cram

Primary Lesions Papule - Solid palpable lesion < 0.5cm diameter Plaque- a broad papule demonstrating elevation from the surrounding skin >0.5 cm diameter, appear relatively flat with no, or limited deep component Nodule- a larger palpable solid elevation >0.5 cm diameter, often with a deep componen Lesions of the skin characterized by piles of material on the skin surface are Secondary skin lesions pg.179 5 Decks in milady 2012 Class (19): Chapter 6 Anatomy Chapter 8 Skin Disorders And Diseases Chapter 7 Skin Structure, Growth And Nutrition Chapter 17 Hairstylin Overview of most common primary skin lesions; Primary Lesions Description; Macule. A flat (nonpalpable) skin lesion ≤ 1 cm in size that differs in color from surrounding skin (e.g., freckle, pityriasis versicolor, nevus spilus) Patch (dermatology) A flat skin lesion > 1 cm in size that differs in color from surrounding skin (e.g. congenital. Malignant tumors in the hand and wrist compose a wide variety of lesions involving skin, soft tissues, and bone. Although these lesions are found elsewhere in the body, many have unique characteristics at this anatomic location. Skin tumors predominate; the most common are squamous cell carcinomas,

Types of Skin Lesion: Pictures, Causes, and Treatmen

What causes skin lesions can range widely, depending on the specific type of lesion you have. The most common cause of skin lesions is an infection of the skin by bacteria, viruses, fungi or parasites transferred by touch or through the air. Warts and chickenpox are some examples of possible infections Importance: Both colors and structures are considered important in the dermoscopic evaluation of skin lesions but their relative significance is unknown. Objective: To determine if diagnostic accuracy for common skin lesions differs between gray-scale and color dermoscopic images. Design, setting, and participants: A convenience sample of 40 skin lesions (8 nevi, 8 seborrheic keratoses, 7.

If the lesion (such as a dark spot on the skin) isn't raised and it's less than 1 cm in size, it's by definition a macule. A macule can be a variety of colors based on the cause lesions that are a different color than the color of the skin, and/or lesions that are raised above the surface of the skin psoriasis skin disease characterized by red patches covered with silver-white scales, usually found on the scalp, elbows, knees, chest, and lower bac The lesions are erythematous, scaly patches or plaques with irregular borders which can occur anywhere on the skin. They can become hyperkeratotic, crusted, fissured, or ulcerated and generally occur in sun-exposed areas. On the ear, they are most frequently found on the helical rim or the external side of the auricle Objective: This study aims to analyze the clinical characteristics of juvenile primary Sjogren's syndrome (pSS) with cutaneous involvement. Methods: We investigated the clinical and immunological characteristics of 37 children with pSS. All the patients met the 2012 American College of Rheumatology Classification Criteria for Sjogren's syndrome Melanoma, also redundantly known as malignant melanoma, is a type of skin cancer that develops from the pigment-producing cells known as melanocytes. Melanomas typically occur in the skin but may rarely occur in the mouth, intestines or eye (uveal melanoma).In women, they most commonly occur on the legs, while in men they most commonly occur on the back

A skin plaque is an elevated, solid, superficial lesion that is typically more than 1 centimeter in diameter (a little more than half an inch) and associated with a number of skin conditions, most commonly psoriasis. 1  The word plaque is French for plate which is fitting because the lesions often look like miniature (dirty) plates The assessment and management of pigmented skin lesions in children and adolescents can be challenging. A sound knowledge of the more common pigmented lesions and worrying features is essential for GPs. Early diagnosis and referral of patients with high-risk lesions to an appropriate specialist service is key to improving outcomes Skin Lesions: Definition A skin lesion is a superficial growth or patch of the skin that does not resemble the area surrounding it. Description Skin lesions can be grouped into two categories: primary and secondary. Primary skin lesions are variations in color or texture that may be present at birth, such as moles or birthmarks , or that may. Introduction. Skin disease is a common medical problem, belonging to the most frequent reasons for consulting a GP (1, 2), representing 8.4% of primary care cases ().Since 65.1% of all patients with dermatological problems only consult their GP, GPs, as 'gatekeepers', therefore must triage their patients and make a decision about referral

Precancerous skin lesions. Having skin lesions known as actinic keratoses can increase your risk of developing skin cancer. These precancerous skin growths typically appear as rough, scaly patches that range in color from brown to dark pink. They're most common on the face, head and hands of fair-skinned people whose skin has been sun damaged Identifying Lesions on Skin of Color. Carly A Elston, MD; Dirk M Elston, MD | May 10, 2021 | Contributor Information. Answer: D. Fixed drug eruption. This patient has an oval, sharply demarcated, erythematous-to-hyperpigmented patch that is consistent with a fixed drug eruption. [1,2] The history of recurrence in the same location is an.

2. SKIN CARE AND SERVICES (45%) A. Demonstrate an understanding of performing a client consultation and documentation related to: 1. Skin analysis a. Fitzpatrick scale b. Skin type c. Skin condition 2. Client records (e.g., health history, intake form, consultation chart) 3. Treatment protocol 4. Contraindications for skin services B An early warning sign of skin cancer is the development of an actinic keratosis, a precancerous skin lesion caused by chronic sun exposure. These lesions are typically pink or red in color and rough or scaly to the touch. They occur on sun-exposed areas of the skin such as the face, scalp, ears, backs of hands or forearms Squamous cell carcinoma (SCC) is a malignant tumour arising from the keratinocytes of the epidermis. It is the second most common type of skin cancer. Although most cases of SCC are very treatable, it can occasionally metastasize and so prompt diagnosis and referral to Secondary Care is essential In humans, melanin is the primary determinant of skin color.It is also found in hair, the pigmented tissue underlying the iris of the eye, and the stria vascularis of the inner ear.In the brain, tissues with melanin include the medulla and pigment-bearing neurons within areas of the brainstem, such as the locus coeruleus.It also occurs in the zona reticularis of the adrenal gland

The appropriate diagnosis of carcinoma of unknown primary can be challenging for physicians, especially when they cannot apply a logical and ordered diagnostic process due to the unorthodox clinical characteristics. Here, we report the case of a 75-year-old woman presenting with multiple skeletal metastases with neither detectable visceral lesions nor site-specific distribution Malignant skin lesions were commonly found in the elderly age group (>60yrs) 38.33%. Majority of them had non-melanocytic cancer (56.67%). Mean age of the male respondent was 58.79±6.54 and female respondent was 55.20 6.29 years. Maximum patients were male 66.67%. The male to female ratio was 2:1 What are Milia Milady? also called whiteheads, milia are whitish, pearl like masses of sebum and dead cells under the skin, more common in dry skin types and may form after skin trauma, such as laser resurfacing. a pimple; small elevation on the skin that contains no fluid but may develop pus. This is answered comprehensively here -Discuss which skin disorders may be handled in the salon and which should be referred to a physician. Secondary and Tertiary Lesions of the Skin 2008/2012: Both chapters describe skin diseases and disorders and factors that contribute to aging. New to the 2012 edition are: Nodule as a Primary Lesion Sebaceous Cyst Dyschromias (abnormal coloration stages of maturation. During the primary stage the tumor grows rapidly to about 10 to 25 mm in size.24 This stage lasts approximately 2 months. During the secondary stage the lesion stops growing and presents as a keratin-containing domelike struc-ture. During the tertiary stage, 50% of the lesions regress and expel their keratin contents

Milady Standard Esthetics: Fundamentals Course Management

Number of lesions (the actual number, or estimation) Location and distribution of lesions - be specific! (e.g., scalp, face and trunk are areas of high sebaceous gland concentration; on extremities, it makes a difference whether lesions are on extensor or flexor surfaces Grouping or configuration of lesions (e.g., linear, annular The primary lesion, or mother yaw, develops within 2 to 4 weeks at the site of skin entry as a painless erythematous papule or group of papules. Lesions enlarge and ulcerate, exuding a serous fluid with a bloody tinge that is swarming with organisms. These lesions heal within one to several months, leaving an atrophic, depressed scar Definition. Tiny grains of pigment (coloring matter) that are producted by melanocytes and deposited into cells in the stratum germinativum layer of the epidermis and in the papillary layers of the dermis. There are two types of melanin: pheomelanin, which is red to yellow in color, and eumelanin, which is dark brown to black

Description of Skin Lesions - Dermatologic Disorders

lesions, brain abscesses or aneurysms. Primary cutaneous coccidioidomycosis Primary cutaneous coccidioidomycosis, the result of direct inoculation into the skin, is rare. The initial lesion may be a chancriform ulcerated nodule or plaque. The infection spreads along the lymphatic vessels, and may b View Notes - Milady Test QuestionsTerm: Placing the product too close to the client's skin may result in: Definition: lifting, skin irritation, skin sensitivity Term: Definition: Peak hours of th

Primary epi-dermal lesions, including primary skin cancers, are not diagnosed by the radiologist and require dermatologic evaluation and management; these lesions are not discussed here. There are diagnostic criteria in mammogra-phy, breast ultrasonography (US), and breast magnetic resonance (MR) imaging for correctly localizing a superficial. The clinical findings and prognosis in 15 patients with primary Ki-1 anaplastic large cell lymphoma (ALCL) were analyzed and compared with those of patients with T cell and B cell lymphoma and Hodgkin's disease. Clinical data revealed lymphadenopathy in 13 patients (87%) and skin lesions in eight (53%) These are common, benign skin lesions that occur more frequently with age. The are often described as stuck-on lesions, as if a ball small ball of gum was thrown again a wall and stuck to it. There is nothing needed to do for these lesions other than reassure your patient 1. healthy, unbroken skin - the body's first line of defense. 2. body secretions, such as perspiration and digestive juices. 3. white blood cells within the blood that destroy bacteria. 4. antitoxins that counteract the toxins procuded by bacteria and viruses. Term. List examples of fungi

Milady's Chapter 8: Skin Disorders and Diseases

The disease can cause skin symptoms such as: A large, discolored lesion on the chest of a person with Hansen's disease. Discolored patches of skin, usually flat, that may be numb and look faded (lighter than the skin around) Growths (nodules) on the skin. Thick, stiff or dry skin. Painless ulcers on the soles of feet The lesions usually start on the buccal mucosa; however, palate and gingivae are other commonly affected sites. Gingival involvement might be in the form of desquamative gingivitis, which is a characteristic feature for PV . Oral lesions appear several months predating skin lesions [3, 27]. Final diagnosis often takes more than 5 months from. Skip to Main Content. Live chat: Chat with an Expert Chat with an Exper

Moles are flesh- to brown-colored macules, papules, or nodules composed of nests of melanocytes or nevus cells. Moles develop on nearly everybody, and are significant primarily because they can become dysplastic or malignant and need to be differentiated from melanoma. Image provided by Thomas Habif, MD. Junctional Nevi Healing generally occurs within 10 to 19 days after onset in primary infection or within 5 to 10 days in recurrent infection. Lesions usually heal completely, but recurrent lesions at the same site may cause atrophy and scarring. Skin lesions can develop secondary bacterial infection Various skin conditions that cause lesions are common among people with HIV. These conditions include: Seborrheic dermatitis. Seborrheic dermatitis is a skin condition that causes patches of scaly.

Common benign skin lesions DermNet N

Skin lesions are abnormal lumps, bumps, ulcers, sores or coloured areas on the skin. There are two different categories: primary and secondary skin lesions. Primary skin lesions are present from birth or are acquired during a person's lifetime. Secondary skin lesions appear as a result of irritated primary skin lesions Skin cancer is one of most deadly diseases in humans. According to the high similarity between melanoma and nevus lesions, physicians take much more time to investigate these lesions. The automated classification of skin lesions will save effort, time and human life. The purpose of this paper is to present an automatic skin lesions classification system with higher classification rate using. Vascular lesions are relatively common abnormalities of the skin and underlying tissues, more commonly known as birthmarks. There are three major categories of vascular lesions: Hemangiomas, Vascular Malformations, and Pyogenic Granulomas. While these birthmarks can look similar at times, they each vary in terms of origin and necessary treatment

Specific Skin Care Needs Paramedical aestheticians and aestheticians trained in advanced skin care techniques are skilled to treat specific conditions utilizing noninvasive treatments. If a client's primary concern is to combat signs of aging and often receives facial fillers, a complementary treatment to that would be a mild chemical peel Skin lesion is an all-inclusive term for any type of skin abnormality, including a rash, mole, wart, cyst, blister, bump, discoloration, cut or growth. If a part of the skin no longer resembles the area around it, it qualifies as a skin lesion. Its treatment includes laser, chemical peel, microdermabrasio 1 INTRODUCTION. Skin manifestations in patients with COVID-19 have been extensively reported, mostly in adults. 1, 2 Skin lesions in children with proven COVID-19 are much less frequent 3 and may show specific features not seen in adults, such as those associated with the multisystem inflammatory syndrome in children (MIS-C). 4 Once the microbiologic test for SARS-CoV-2 became widely available. Skin lesions are a typical sign of arsenic toxicity appearing after a persistent arsenic ingestion for 5-10 years (Lien et al., 1999, Guha Mazumder et al., 1998). There is considerable evidence of the prevalence of arsenical skin lesions in Bangladesh (Ahsan et al., 2006), India (Guha Mazumder et al., 1998), Mongolia and China Psoriasis is an autoimmune disorder. Symptoms typically include patches of abnormal skin. The affected skin is typically red, scaly, and very itchy. The affected areas vary in size and severity

Nonmelanoma skin cancer (NMSC) is the most common form of cancer in the Caucasian population, with squamous cell carcinoma (SCC) accounting for the majority of NMSC-related metastases and death. While most SCC lesions are indolent tumors with low malignant potential, a wide diversity of SCC subtypes exist, several of which are associated with markedly more aggressive behaviors Undoubtedly, the skin is the largest organ in the human body; literally covering you from head to toe. The organ constitutes almost 8-20% of body mass and has a surface area of approximately 1.6 to 1.8 m2, in an adult. It is comprised of three major layers: epidermis, dermis and hypodermis, which contain certain sublayers Liver lesions are groups of abnormal cells in your liver.Your doctor may call them a mass or a tumor. Noncancerous, or benign, liver lesions are common Lesions are most often well circumscribed and round. The border of the lesion may be scaly or have small blisters. Lesions are often quite itchy. The diagnosis is easily confirmed by visualization of fungal elements in the skin scales after exposure to potassium hydroxide under the light microscope The primary chancre appears at the site of initial treponemal invasion of the dermis. It may occur on any skin or mucous membrane surface and is usually situated on the external genitalia (Figure 61-2). Initial lesions are papular but rapidly ulcerate. They are usually single, but 'kissing' lesions may occur on opposing mucocutaneous surfaces Vasculitis refers to the inflammation and necrosis of blood vessels, and may be localised or systemic. Many of the vasculitides (conditions associated with vasculitis) have a cutaneous component. In all cases a thorough work-up is required to investigate for an underlying cause and/or associated systemic features