Search Results for: hamartoma

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Epidermal Cyst and Epidermoid Cyst?

…hat of a normal apocrine gland, marked as it is by notable “decapitation secretion.” The cystic component of the hamartoma known as steatocystoma is lined by epithelium just like that of a sebaceous duct, namely, a thin epithelium that…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Verruciform Xanthoma?

…injury of some type, such as an infection by papillomavirus (the end stage of a verruca that involuted); an alteration in a hamartoma, e.g., an epidermal nevus; a repeated insult, e.g., blisters of recessive dystrophic epidermolysis bullosa; and a…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Myxoma?

…TL. Stedman’s Medical Dictionary. 25th ed. Baltimore, MD: Williams & Wilkins, 1990:1020. “Lastly, neoplastic-hamartomatous cutaneous mucinosis include mucinous nevus, a benign hamartoma, and myxoma, which is a benign tumor to be…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine Neoplasms?

…Medicine. 4th ed. New York, NY: McGraw-Hill International Book Co., 1993:874. Tumors of cutaneous appendages Eccrine tumors Hamartomas and benign tumors Eccrine hamartomas Eccrine hidrocystoma Papillary eccrine adenoma Syrigoma Eccrine mixed tumor…

Dermatoscopic findings of atrophic dermatofibrosarcoma protuberans

Dermatoscopic findings of atrophic dermatofibrosarcoma protuberans

…munhistochemical staining is important to distinguish DFSP from atrophic dermatofibroma and medallion-like dermal dendrocyte hamartoma. While DFSP cells are positive for CD34 and negative for factor XIIIa, atrophic dermatofibroma cells are usually…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Infundibulo-folliculo-sebaceous cystic hamartoma Steatocystoma 1. Situated mostly in the dermis as a rule; sometimes also the subcutaneous fat 1. Situated in either the dermis or the subcutaneous fat, or both together 2. Cyst does not “pop…

Differential Diagnosis in Dermatopathology

Discussions

…e. Syringocystadenoma papilliferum is but one of many benign and malignant neoplasms that may arise within nevus sebaceus, a hamartoma marked by alterations of the dermis, the epidermis, and the epithelial structures of adnexa, as well at times of…

Segmental neurofibromatosis presenting with congenital excessive skin folds

Segmental neurofibromatosis presenting with congenital excessive skin folds

…agnoses of our patient’s cutaneous findings initially included nevus lipomatosus cutaneous superficialis, smooth muscle cell hamartoma, and nevus sebaceous. In addition, plexiform neurofibromas, sometimes present as loose, redundant skin folds…

A quiz from Manaus, Brazil

A quiz from Manaus, Brazil

…thosis or basaloid follicular induction [2]. Besides DF, an involutional sclerotic stage of other pre-existing inflammatory, hamartomatous or neoplastic lesion such as angiofibroma, neurofibroma, melanocytic nevus, lipoma, tendon sheath fibroma…