Search Results for: metastatic squamous-cell carcinoma

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus-like keratosis

…lity, as well as telangiectases. Miscue clinical as clue to diagnosis histopathologic What is thought to be a solitary basal-cell carcinoma on a chest or shoulder of an older individual covered with solar lentigines may be a clue to lichen…

Ocular Inflammation

Ocular Inflammation

…ssue of epibulbar conjunctiva by immunofluorescence and immunohistochemistry; their results showed an increase of nearly all cell types in the conjunctiva of patients with rosacea, but especially of T-helper cells.[17] They concluded that…

Appearances may be deceiving

Appearances may be deceiving

…matoxylin and eosin, original magnification, x5 (a), x10 (b), x20 (c), x40 (d). [Copyright: ©2016 Megna et al.] Answer Basal cell carcinoma Discussion Basal cell carcinoma (BCC) is the most common skin cancer [1]. Nevertheless, detailed information…

Differential Diagnosis in Dermatopathology

Sebaceous hyperplasia vs. Nevus sebaceus of Jadassohn

…, Brocq, and Jacquet). All other attempts to classify skin diseases clinically, e.g., “eczematous dermatitis,” “disorders of cell kinetics,” “benign neoplasms and hyperplasias,” and “precancerous lesions and cutaneous carcinomas,” have failed…

Extensive regression in pigmented skin lesions: a dangerous confounding feature

Extensive regression in pigmented skin lesions: a dangerous confounding feature

…entation The fully regressed melanoma in Figure 1 was found on the arm of a 50-year-old man, who was recently diagnosed with metastatic melanoma of the ipsilateral axillary lymph nodes (Figure 1A). Dermoscopic examination revealed a diffuse…

Hypopigmented atypical Spitzoid neoplasms (atypical Spitz nevi, atypical Spitz tumors, Spitzoid melanoma): a clinicopathological update

Hypopigmented atypical Spitzoid neoplasms (atypical Spitz nevi, atypical Spitz tumors, Spitzoid melanoma): a clinicopathological update

…opathologic study of 27 cases. Cancer 1960;13:612-25. 5. Smith KJ, Barrett TL, Skelton HG 3rd, Lupton GP, Graham JH. Spindle cell and epithelioid cell nevi with atypia and metastasis (malignant Spitz nevus). Am J Surg Pathol 1989;13:931-39. 6….

Differential Diagnosis in Dermatopathology

Seborrheic keratosis, acanthotic type vs. Eccrine poroma

…, Brocq, and Jacquet). All other attempts to classify skin diseases clinically, e.g., “eczematous dermatitis,” “disorders of cell kinetics,” “benign neoplasms and hyperplasias,” and “precancerous lesions and cutaneous carcinomas,” have failed…

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…