Search Results for: squamous-cell carcinoma

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Mucha-Habermann Disease a Lymphocytic Vasculitis?

…racterized by the presence of fibrin in the wall and/or thrombi in the lumen in the context of an infiltrate of inflammatory cells. In the vast majority of instances, the cells are neutrophils, e.g., in leukocytoclastic vasculitis, septic…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Spongiform Pustular Diseases?

…y he thought that is baffling. In a spongiform pustule, neutrophils in variable number are sprinkled among keratocytes whose cell membranes form a lattice. Depending on the stage in migration of neutrophils from the dermis through the epidermis, a…

Differential Diagnosis in Dermatopathology

Discussions

…of “squamous eddies” to development of nuclear abnormalities that may simulate vaguely the kind seen in squamouscell carcinoma. Of the three major patterns of seborrheic keratoses, namely, acanthotic, adenoid (reticulate), and…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Parapsoriasis?

…ermatosis, which has also been called fingerprint parapsoriasis or digitate parapsoriasis.” Gibson LE, Perry HO. Papulosquamous eruptions and exfoliative dermatitis. In: Moschella SL, Hurley HJ, eds. Dermatology, 3rd ed. Philadelphia: W. B….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Keratosis Lichenoides Chronica?

…at despite the unity of the two diseases, there were some differences between them histopathologically, namely, inflammatory cells around follicles and irregular epidermal growth in the former, and inflammatory cells only in dermal papillae with…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…d light. 10.38.12A: Nodular dermatitis, granulomatous + 10.38.12B: A band of histiocytes, some of them multinucleate, around squamous epithelium that, in turn, surrounds cellulose = Foreign body reaction to a splinter The splinter came to be…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Epidermal Cyst and Epidermoid Cyst?

…helium. “The commonest type of epithelial cyst of the skin is the epidermal cyst which is lined entirely by stratified squamous epithelium usually without skin appendages. . . . These cysts may arise from hair follicles, sebaceous ducts, and…