Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Inverted Follicular Keratosis, Tricholemmoma, and Desmoplastic Tricholemmoma?

…on 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 ke…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Origin of Adnexal Neoplasms?

…xford, 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…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Sclerotic Fibroma?

…hose nodules. Pujol et al., in 1996, recorded “solitary tumors” in two patients and termed them sclerotic fibromas of the skin. The lesions were composed of “hyalinized eosinophilic collagen bundles arranged in the characteristic in…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Metastasizing Dermatofibroma?

…. Dermatofibroma thus joins the ranks of “benign” tumors with rare metastasis which include such examples as uterine leiomyomas and salivary mixed tumor.” Colome-Grimmer MI, Evans HL. Metastasizing cellular dermatofibroma: a report…