Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus?

“Strictly speaking, the term nevus denotes any congenital lesion of skin. Nevocellular nevus, however, refers to any congenital or acquired neoplasm of melanocytes.” Murphy GF, Mihm MC. The skin. In: Pathologic Basis of Disease. 6th ed…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Breast a Sweat Gland?

“The breast is a modified sweat gland covered by skin and subcutaneous tissue.” Rosai J. The breast. In: Ackerman’s Surgical Pathology. 7th ed. St. Louis, MO: CV Mosby, 1989:1193. “The mammary glands are modified swat gla…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine Neoplasms?

Classification of Skin Appendage Tumors Eccrine Differentiation Eccrine nevus Eccrine duct proliferation Eccrine-centered nevus Eccrine angiomatous hamartoma Syringofibroadenoma or acrosyringeal nevus Comedo nevus of the palm, linear eccrine nevu…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Origin of Adnexal Neoplasms?

“Thus one needs to bear in mind the information required of a pathologist about a particular tumour, which can be summarized as follows: 1. What is the origin of the tumour? 2. What is likely the behavior of the tumour? 3. What is the extent…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Junctional Activity and Active Junctional Nevus?

“With further maturation junctional activity ceases and the lesion is composed only of dermal nevus cells (intradermal nevus).” Weedon D. Lentigines, nevi, and melanomas. In: Skin Pathology. 2nd ed. New York, NY: Churchill-Livingstone,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Myxoma?

“myxoma (milk – s ? m?) [myxo - + G. -oma, tumor]. A benign neoplasm derived from connective tissue, consisting chiefly of polyhedral and stellate cells that are loosely embedded in a soft mucoid matrix, thereby resembling primitive mes…