Search Results for: tumor

Dermatology Practical & Conceptual

Malignant cylindroma in a patient with Brooke-Spiegler syndrome

…were lost around some aggregates (Figure 3). The cells of the tumor were mostly enlarged with striking nuclear pleomorphism. There was individual cell necrosis, but no necrosis en masse (Figure 4). Focal clear cell change was seen. S100 immunostain s…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dermatofibroma?

…lex Simple fibroma of the skin, as defined above, is a benign tumor, usually appearing solitary, on the upper part of the body and the extremities, which, mainly imbedded in the skin, is only rarely and little elevated over the surface, and never sho…

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 nevus…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Inverted Follicular Keratosis, Tricholemmoma, and Desmoplastic Tricholemmoma?

…ion follow a trichilemmal mode.” Headington JT. Adnexal tumors. In: Farmer ER, Hood AF, eds. Pathology of the Skin. New York, NY: McGraw-Hill, 2000:1022. General pathologists, not dermatologists, generated the notions of inverted follicular ker…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Origin of Adnexal Neoplasms?

…Oxford, England: Oxford University Press, 1992:578. Sebaceous tumors are relatively uncommon tumors of the skin. They are derived from the sebaceous gland, which begins its development as a bulge or collar at the junction of the infundibulum and isth…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Fibromatoses?

“Benign tumors and tumor-like proliferations Fibromatoses Fibroma molle Nonmetastasizing fibrosarcomas Desmoid tumor Keloid Cicatricial fibromatosis Palmar fibromatosis (fibroma or pseudotumor of Dupuytren’s contracture) Plantar fibroma…

Dermatology Practical & Conceptual

When all you have is a dermatoscope—start looking at the nails

…t neoplasms that may also affect the nail unit include glomus tumor, Bowen’s disease, squamous cell carcinoma, and rare collision tumors. This review aims to assist clinicians in correctly evaluating and diagnosing nail disorders with the help of der…

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 primitiv…