Search Results for: cysts

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Hyalin?

…d degeneration. 2. a substance composing the walls of hydatid cysts.” Anderson DM, ed. Dorland’s Illustrated Medical Dictionary, 30th ed. Philadelphia: WB Saunders Company, 2003:867. “Juvenile hyaline fibromatosis Synonyms. Systemic…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Occlusion Triad?

…,” a reference to the vague resemblance of infundibular cysts of acne conglobata to balls of different sizes. The image, however, conveys no sense for the nature fundamental of the disease, to wit, a suppurative infundibulitis accompanied often…

Dermatology Practical & Conceptual

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

…to invasive melanocytes of the melanoma) and several keratin cysts of the adjacent skin (corresponding to areas of keratinization of the squamous cell carcinoma) (Figure 14A, B). Figure 14. Squamomelanocytic tumor of the nail unit as a genuine colli…

Differential Diagnosis in Dermatopathology

Syringocystadenoma papilliferum vs. Hidradenoma papilliferum

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

Review of Atlas of Vulvar Pathology. 3rd ed. by EJ Wilkinson, IK Stone

…categories, a chapter being devoted to each successively: (1) Cysts; (2) Maculae; (3) Papillae; (4) Papules; (5) Plaques; (6) Tumors, benign; (7) Ulcers; (8) Verrucae; (9) Vesicles/bullae; (10) Pediatrics; (11) Trauma; (12) Tumors, malignant; and (13…

Differential Diagnosis in Dermatopathology

Discussions

…; is the sine qua non for establishing the apocrine nature of cysts, hamartomas, and neoplasms. Only exceedingly rarely do syringocystadenoma papilliferum and hidradenoma papilliferum eventuate in apocrine carcinoma. A few words should be written abo…

Differential Diagnosis in Dermatopathology

"Pseudolymphoma," B-cell type vs. Malignant lymphoma, B-cell type

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…

Differential Diagnosis in Dermatopathology

Discussions

…icians misinterpret both apocrine and eccrine mixed tumors as cysts and incise the lesions rather than attempt to excise them, a maneuver that often results in an artifactual cleft being introduced into the upper part of the neoplasm as it appears in…

Differential Diagnosis in Dermatopathology

Sebaceous hyperplasia vs. Nevus sebaceus of Jadassohn

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…