Search Results for: neoplasms

1 3 4 5 6 7 10
Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Sebaceous Epithelioma?

…l-Livingstone, 2002. Conventional classification of sebaceous neoplasms as it appears in virtually every textbook of dermatology, general pathology, and dermatopathology consists of sebaceous gland hyperplasia, sebaceous adenoma, sebaceous epitheliom…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

…lthough a melanoma may originate in it. Parenthetically, some neoplasms diagnosed as malignant blue nevus doubtlessly were metastases of melanomas. Many congenital nevi, e.g., Jadassohn’s nevus and Seab’s nevus, reputed in times past to b…

Dermatology Practical & Conceptual

Malignant cylindroma in a patient with Brooke-Spiegler syndrome

…ten developing in the setting of multiple pre-existing benign neoplasms. Herein we present an additional case of malignant transformation of the cylindroma diagnosed in an 83-year-old patient with known Brooke-Spiegler syndrome. Case presentation An…

Differential Diagnosis in Dermatopathology

Seborrheic keratosis, acanthotic type vs. Eccrine poroma

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…

Dermatology Practical & Conceptual

Dermoscopy of non-pigmented eccrine poromas: study of Mexican cases

…; vessels have not been reported in other benign or malignant neoplasms and can be a useful clue to the diagnosis of non-pigmented eccrine poroma. Due to the variability of dermoscopic patterns of eccrine poroma further studies are required to establ…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dermatofibroma?

…. Touton giant cells may be present.” From L, Assaad D. Neoplasms, pseudoneoplasms, and hyperplasia of supporting tissue origin. In: Fitzpatrick TB, Eisen AZ, Wolff K, et al., eds. Dermatology in General Medicine, 4th ed. New York, NY: McGraw-H…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus Cells, Nevocytes, and Nevomelanocytes?

…f melanocytes in adjacent sun-exposed skin.” Rhodes AR. Neoplasms: benign neoplasias, hyperplasias, and dysplasias of melanocytes. In: Fitzpatrick TB, Eisen AZ, Wolff K, et al., eds. Dermatology in general medicine. 4th ed. New York, NY: McGraw…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Changing Mole?

…ge independently should be cause for alarm.” Rhodes AR. Neoplasms: benign neoplasias, hyperplasias, and dysplasias of melanocytes. In: Fitzpatrick TB, Eisen AZ, Wolff K, et al., eds., Dermatology in general medicine. 4th ed. New York: McGraw-Hi…

Differential Diagnosis in Dermatopathology

Discussions

…nd eccrine poroma are both benign, epithelial, exo-endophytic neoplasms comprised mostly of small, round (basaloid) cells. Melanocytes may be scattered among keratocytes in both conditions. Seborrheic keratoses are common lesions that tend to present…

1 3 4 5 6 7 10