Search Results for: metastatic squamous-cell carcinoma

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…

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….

Systematic review of diagnostic accuracy of reflectance confocal microscopy for melanoma diagnosis in patients with clinically equivocal skin lesions

Systematic review of diagnostic accuracy of reflectance confocal microscopy for melanoma diagnosis in patients with clinically equivocal skin lesions

…ival with higher stage is because the only potentially curative treatment is surgical excision [5]. Adjuvant therapy for non-metastatic melanoma has not yet been demonstrated to provide a survival benefit [6] and no therapy has proven to extend…

Pigmented Lesions

Pigmented Lesions

…in pattern laminated and basket-woven are known conventionally as “horn psuedocysts.” Malignant neoplasms Basal-cell carcinoma, pigmented (574) Aggregations of abnormal trichoblasts, those at the periphery being columnar and aligned in…

Two neutrophilic dermatoses captured simultaneously on histology

Two neutrophilic dermatoses captured simultaneously on histology

…eruption resolved. The skin biopsy showed subepidermal edema (Figure 1a), with no interface damage. There was extensive red cell extravasation in the dermis and an interstitial infiltrate of lymphocytes, histiocytoid cells and predominantly…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Recurrence of Melanoma?

…n recurrence of a primary neoplasm at the initial local site (persistence) and recurrence that presents itself as neoplastic cells at a site some distance from the primary (metastasis). The literature of pathology and surgery with regard to…

Differential Diagnosis in Dermatopathology

Images

Metastatic carcinoma from a breast Morpheiform basal-cell carcinoma

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Metastatic carcinoma from a breast Morpheiform basal-cell carcinoma 1. Strands, cords, and columns of neoplastic epithelial cells in the dermis 1. Cords and columns of neoplastic epithelial cells in the dermis; no strands as a rule 2….

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…