Search Results for: neoplasms with infundibular differentiation

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A Clinical Atlas of 101 Common Skin Diseases

Cysts and Cystic Hamartomas

…colored and, on histopathologic examination, consist of an epithelium-lined sac that contains fluid, cells, or both in the case of true cysts and of cysts that are associated with other epithelial elements of adnexa in the case of cystic hamartomas….

A Clinical Atlas of 101 Common Skin Diseases

Molluscum Contagiosum

A hyperplasia of infundibular epithelium consequent to the effects of infection by a pox virus and manifesting itself clinically as one or more skin-colored, smooth-surfaced, dome-shaped papules, each with a central umbilication filled with horny ma…

Therapeutic Strategies in Dermatology

Folliculitis (including pseudofolliculitis barbae): Key Points

…ection (dolor, calor, rubor, and tumor) may be absent, making differentiation from milaria, papulovesicular viral exanthems, and acneiform eruptions difficult. Folliculitis is a common presentation of infection with community-acquired methicillin-res…

A Clinical Atlas of 101 Common Skin Diseases

Nevus Sebaceus

…yellowish plaque situated usually on the scalp. The condition may present itself as a solitary lesion or as multiple lesions that follow Blaschko’s lines and, when systematized, is almost always associated with other congenital abnormalities….

A Clinical Atlas of 101 Common Skin Diseases

Dermatofibrosarcoma Protuberans

…all of them concurrently. Sometimes a plaque is interspersed with many nodules and tumors in a cluster. The sarcoma is “low grade,” i.e., it metastasizes only episodically and then rarely beyond lymph nodes, but it can also kill by destruc…

Therapeutic Strategies in Dermatology

Oral Hairy Leukoplakia: Key Points

…remit spontaneously in 10% of cases. OHL will also resolve in association with immune reconstitution due to anti-retroviral medications. Pseudo-OHL is clinically similar but does not contain EBV, allowing differentiation by histological examination….

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine Neoplasms?

…ific to a normal follicle, it can be said to be follicular in differentiation. That is the case for such neoplasms as trichoblastoma, pilar sheath acanthoma, and pilomatricoma. A normal eccrine unit consists of a gland composed mostly of cells with p…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Origin of Adnexal Neoplasms?

…e. In most instances, those proliferations are not continuous with epidermis (surface or infundibular) or with preexisting epithelial or nonepithelial adnexal structures. Any statement about the origin of adnexal neoplasms of the skin, perforce, is m…

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