Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine Neoplasms?

…ithelial adnexa are folliculo-sebaceous-apocrine units on one hand and eccrine units on the other; the nonepithelial adnexa are smooth muscles, nerves, and blood vessels. Each of those normal adnexal structures has its own distinctive histologic attr…

Histologic Diagnosis of Inflammatory Skin Diseases

Measles

…Bibliography Bibliography for viral exanthems Alsop J, et al. Hand-foot-mouth disease in Birmingham. Br Med J 1959;2:1708. Barnadas MA, Alegre M, Baselga E, Randazzo L, Margall N, et al. Histopathological changes of primary HIV infection: description…

Dermatology Practical & Conceptual

Papillary adenocarcinoma in situ of the skin: report of four cases

…excised with a positive margin, and there was no evidence of disease progression at the six-year follow-up. The photomicrographs of H&E and P63 stain provided by the authors for their case (figures 2 and 3 in the article) showed clearly the pres…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Metastasizing Dermatofibroma?

…uni et al. told of a patient with a lesion on the dorsum of a foot less than 1.5 centimeters in diameter, which was diagnosed by conventional microscopy as “fibrous histiocytoma.” The lesion recurred at the local site three times first wi…

Histologic Diagnosis of Inflammatory Skin Diseases

Rosacea

…ocular dermatitis consists of papules and pustules around the mouth and eyes of young women especially. Blepharitis occurs episodically and may be followed by conjunctivitis and keratitis. Lupus miliaris disseminatus faciei is a papular variant of gr…

Histologic Diagnosis of Inflammatory Skin Diseases

Junctional epidermolysis bullosa

…tissue, C-shaped plaques that sweep around the angles of the mouth, extracutaneous involvement common, often lethal in the first months of life; a number of subtypes are differentiated from one another on the basis of features clinical. Pyloric atre…

Differential Diagnosis in Dermatopathology

Discussions

…light eruption. Biopsy of the hive-like lesions in those four diseases produces a specimen from which sections of tissue display changes diagnostic of a specific disease, ones very different from findings in urtica. Subtle differences histopathologic…

Histologic Diagnosis of Inflammatory Skin Diseases

Acne vulgaris

…r dermatitis, as the name denotes, favors the skin around the mouth and around the eyes. Individual lesions are papules and pustules atop a red base; there are no comedones. The condition is but one of many manifestations of rosacea. 4. Eosinophilic…