1 3 4 5 6 7 10
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

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…

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…

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?

…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…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Fibromatoses?

…r and penile fibromatosis, and fibromatosis colli]; malignant neoplasms [nonmetastasizing fibrosarcomas, irradiation fibromatosis, i.e., radiation sarcoma], and a malformation [fibroma molle]. In short, there was no rationale, from the very beginning…

1 3 4 5 6 7 10