1 2 3 18
A Clinical Atlas of 101 Common Skin Diseases

Dermatofibroma

  • at018g01.jpg
  • at018g02.jpg
  • at018g03.jpg
  • at018g04.jpg
  • at018g05.jpg
  • at018g06.jpg
  • at018g07.jpg
  • at018g08.jpg
  • at018g09.jpg
  • at018g10.jpg

An inflammatory process that develops secondary to trauma, usually in the form of a penetrating injury or rupture of a follicle, and that proceeds through stages of granulation tissue with numerous extravasated erythrocytes, granulomatous inflammation, and fibrosis.

A Clinical Atlas of 101 Common Skin Diseases

Dermatofibrosarcoma Protuberans

  • at019g01a.jpg
  • at019g01b.jpg
  • at019g02.jpg
  • at019g03.jpg
  • at019g04.jpg
  • at019g05.jpg

A malignant nonepithelial neoplasm (a sarcoma) presumably of perineural fibrocytes that presents itself usually on the trunk, but sometimes elsewhere, such as the extremities, face, and scalp.

A Clinical Atlas of 101 Common Skin Diseases

Neurofibromatosis

  • at062g01.jpg
  • at062g02.jpg
  • at062g03.jpg
  • at062g04.jpg
  • at062g05.jpg
  • at062g06.jpg
  • at062g07.jpg
  • at062g08.jpg
  • at062g09.jpg
  • at062g10.jpg

A constellation of lesions that represent disorders of melanocytes (e.g., axillary "freckles" and café au lait "spots") and of proliferations of Schwann cells (e.g., papules, nodules, and tumors of neurofibroma).

A Clinical Atlas of 101 Common Skin Diseases

Nevus Sebaceus

  • at063g01.jpg
  • at063g02.jpg
  • at063g03.jpg
  • at063g04.jpg
  • at063g05.jpg
  • at063g06.jpg
  • at063g07.jpg
  • at063g08.jpg
  • at063g09a.jpg
  • at063g09b.jpg

A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp.

A Clinical Atlas of 101 Common Skin Diseases

Pruritic Urticarial Papules and Plaques of Pregnancy

  • at077g01a.jpg
  • at077g01b.jpg
  • at077g02a.jpg
  • at077g02b.jpg
  • at077g03a.jpg
  • at077g03b.jpg

An inflammatory process in pregnant women near term that consists of urticarial papules and plaques, especially on the trunk and particularly in association with lesions of striae atrophicantes, the lesions disappearing shortly after parturition.

A Clinical Atlas of 101 Common Skin Diseases

Nevus Sebaceus

A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp. The condition may present itself as a solitary lesio…

A Clinical Atlas of 101 Common Skin Diseases

Melanocytic Nevi and Melanotic Macules

…and benign neoplasms (“acquired” melanocytic nevi) of various specific types, all of which are composed of abnormal melanocytes and manifested clinically as lesions of different colors, shapes, and sizes, among them, macules and patches,…

A Clinical Atlas of 101 Common Skin Diseases

Epidermal Nevi

Epidermal nevi are hamartomas in which the epidermis is abnormal, being hyperkeratotic, and in which lesions are aligned along Blaschko’s lines….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

…iant nevi,” “garment nevi”) Tieché’s nevus Markedly pigmented, bipolar, pigmented melanocytes predominate within the reticular dermis (one type of “common” blue nevus) Jadassohn’s nevus Fascicles of plump…

A Clinical Atlas of 101 Common Skin Diseases

Melanoma

A malignant neoplasm of melanocytes that, in the skin, begins as a macule and may become a patch or a papule. A flat lesion of melanoma tends to be asymmetrical, poorly circumscribed with a scalloped, jagged, or notched border, and variegate, mostly…

Therapeutic Strategies in Dermatology

Vascular Birthmarks: Key Points

…mangioma of infancy, a spontaneously involuting vascular tumor of infants. Vascular malformations have a distinct natural history; they are present at birth and often persist throughout life. Most are benign lesions, such as a nevus simplex (a.k.a. s…

Therapeutic Strategies in Dermatology

Melanoma: Initial Evaluation

Initial Evaluation Clinical variants of melanoma: Superficial spreading melanoma (SSM): The most common form of melanoma, and typically presents with irregular borders, highly uneven pigmentation and/or unusual pigmentation (i.e., blue, pink, red,…

Therapeutic Strategies in Dermatology

Facial Melanosis, Melasma: Initial Evaluation

Initial Evaluation Clinical images show homogeneously hyperpigmented macules and geographic or irregular patches typically located on forehead, zygomatic cheeks, upper cutaneous lip, and nose. Central facial involvement is most common but mandibular…

Dermatology Practical & Conceptual

Blue nevus with a starburst pattern on dermoscopy

…ule approximately 4 mm in diameter. We suspected that it was a blue nevus or a pigmented Reed/Spitz nevus. On dermoscopic observation, the lesion showed homogeneous black-bluish pigmentation. This dermoscopic feature was suggestive of a blue nevus. H…

Differential Diagnosis in Dermatopathology

Sebaceous hyperplasia vs. Nevus sebaceus of Jadassohn

A malignant neoplasm of melanocytes that, in the skin, begins as a macule and may become a patch or a papule. A flat lesion of melanoma tends to be asymmetrical, poorly circumscribed with a scalloped, jagged, or notched border, and variegate, mostly…

1 2 3 18