Search Results for: tumor

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dermatofibroma?

…at may uncommonly recur locally, several cases of metastasizing cellular dermatofibroma have been recorded.” Weedon D. Tumors and tumor-like proliferation of fibrous and related tissues. In: Weedon D. ed. Skin Pathology , 2nd ed. Edinburgh,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine Neoplasms?

…licle tumors which may contain glycogen-rich cells but no lumina.” Hashimoto K, Mehregan AH, Kumakiri M. Eccrine gland tumors. In: Tumors of Skin Appendages. Boston, MA: Butterworths, 1987:15. “In fact, with the possible exceptions of…

Time to reconsider Spitzoid neoplasms?

Time to reconsider Spitzoid neoplasms?

…different tumors that are difficult or impossible to distinguish with assurance, could be viewed as one unique entity, Spitz tumor (ST). A Spitz tumor is a low-grade malignant neoplasm, in which the amount of intrinsic risk is variable, ranging from…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Fibromatoses?

…i (congenital wry neck) Progressive myositis fibrosa (hereditary polyfibromatosis) Irradiation fibromatosis” Stout AP. Tumors of the soft tissues. In: Atlas of Tumor Pathology. Washington, D.C.: Armed Forces Institute of Pathology, 1953;…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Inverted Follicular Keratosis, Tricholemmoma, and Desmoplastic Tricholemmoma?

…matol 1962;86:430-441. “Occasional tumors show features intermediate between trichilemmoma and follicular infundibulum tumor or irritated seborrheic wart.” McGibbon DH, McKee PH. Tumors of the epidermal appendages. In: McKee PH, ed….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Origin of Adnexal Neoplasms?

…oma with florid squamous differentiation. J Korean Med Sci 1998 Apr;13(2):191-5. “Eccrine spiradenoma (ES) is a benign tumor of the skin adnexal origin.” Lara JF, Nadeem MA, Asaadi M Malignant mixed tumor ex eccrine spiradenoma: an…

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

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

…yright: ©2014 Haenssle et al.; first published in Der Hautarzt, 2014, 65(4):301-11.) Other neoplasms of the nail unit Glomus tumor Glomus tumors represent approximately 1 to 5% of the soft tissue tumors of the hand. They are a subtype of benign…

Metastatic papillary thyroid carcinoma to the nose mimicking basal cell carcinoma: report and review of cutaneous metastases of papillary thyroid cancer

Metastatic papillary thyroid carcinoma to the nose mimicking basal cell carcinoma: report and review of cutaneous metastases of papillary thyroid cancer

…luation of a suspected basal cell carcinoma. Morphologic features of the nodule that suggested the possibility of metastatic tumor included its violaceous appearance and the absence of telangiectasias. Table 1. Immunohistochemistry markers of solid…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Myxoma?

…ntities of connective tissue mucin, however, elements epithelial actually predominate over the component myxoid, e.g., mixed tumor with apocrine differentiation. In some, the reverse is true, i.e., mucin is preponderant, e.g., mixed tumor with…