A Clinical Atlas of 101 Common Skin Diseases

Verrucae

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Papules on skin and mucous membranes that result from infection of keratinocytes by different types of papillomavirus and classified according to their silhouettes, to wit, papillated (verrucae vulgares on different sites such as volar skin, i.e., verrucae palmares et plantares, and near or on mucous membranes, i.e., condylomata acuminata) and flat (verrucae planae), and by the type of inciting papillomavirus, HPV 6 and 11 for condylomata acuminata, for example, and HPV 5 and 8 for epidermodysplasia verruciformis.

A Clinical Atlas of 101 Common Skin Diseases

Verrucae

verrucae vulgares on different sites such as volar skin, i.e., verrucae palmares et plantares, and near or on mucous membranes, i.e., condylomata acuminata) and flat (verrucae planae), and by the type of inciting papillomavirus, HPV 6 and 11 for cond…

Therapeutic Strategies in Dermatology

Warts: Key Points

Key Points Verrucae (warts) are common yet benign cutaneous lesions caused by human papillomavirus (HPV) that can be challenging to treat. The therapeutic strategy involves destruction of lesions through a variety of techniques; selecting the best…

Therapeutic Strategies in Dermatology

Molluscum Contagiosum: Initial Evaluation

Initial Evaluation Molluscum Contagiosum Differential Diagnosis Verruca Vulgaris Genital Warts Flat Warts/Verruca Planae Syringomas…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Inverted Follicular Keratosis, Tricholemmoma, and Desmoplastic Tricholemmoma?

“For about the last 8 years my associates and I have been observing a lesion—a keratosis—which occurs mostly on the face: I should say about 90 percent on the face, the remainder on other parts of the body. These lesions are characterized cli…

Differential Diagnosis in Dermatopathology

Verruca vulgaris vs. Verrucous solar keratosis

verrucae vulgares on different sites such as volar skin, i.e., verrucae palmares et plantares, and near or on mucous membranes, i.e., condylomata acuminata) and flat (verrucae planae), and by the type of inciting papillomavirus, HPV 6 and 11 for cond…

Differential Diagnosis in Dermatopathology

Discussions

Fully-developed verrucae vulgares and digitated solar keratoses are both examples of a hyperkeratotic, verrucous, epidermal proliferation, but telling differences exist between them. Solar keratoses are very superfiscal squamous-cell carcinomas of o…

Differential Diagnosis in Dermatopathology

Discussions

…mas tend to have more abundant pale-staining cytoplasm than do verrucae. Clinically, warts and keratoacanthomas both look different at different stages of their evolution and devolution. Fully-developed verrucae are digitate and keratotic, whereas fu…

Differential Diagnosis in Dermatopathology

Keratoacanthomatous verruca vulgaris vs. Verrucous keratoacanthoma

verrucae vulgares on different sites such as volar skin, i.e., verrucae palmares et plantares, and near or on mucous membranes, i.e., condylomata acuminata) and flat (verrucae planae), and by the type of inciting papillomavirus, HPV 6 and 11 for cond…

Differential Diagnosis in Dermatopathology

Epidermolytic hyperkeratosis vs. Plane wart

verrucae vulgares on different sites such as volar skin, i.e., verrucae palmares et plantares, and near or on mucous membranes, i.e., condylomata acuminata) and flat (verrucae planae), and by the type of inciting papillomavirus, HPV 6 and 11 for cond…