Search Results for: folliculosebaceous hamartoma

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A Clinical Atlas of 101 Common Skin Diseases

Cysts and Cystic Hamartomas

Papules, nodules, and tumors that, on gross examination, are usually skin 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.

Dermatoscopy of folliculosebaceous cystic hamartoma

Dermatoscopy of folliculosebaceous cystic hamartoma

…ll vessels (Figure 3C). No hair shafts were present in the cystic cavity. These findings were consistent with a diagnosis of folliculosebaceous cystic hamartoma (FSCH). Figure 3. (A) Histopathologic examination reveals an exophytic lesion consisting…

A Clinical Atlas of 101 Common Skin Diseases

Mammary Paget’s

Mammary Paget’s disease is an apocrine carcinoma that begins in mammary glands and extends along lactiferous ducts to the epidermis where it is seen clinically as a scaly, crusted, or eroded plaque on the nipple or areola of women mostly, and…

A Clinical Atlas of 101 Common Skin Diseases

Herpes Simplex, Zoster, and Varicella

Conditions caused by infection with different strains of herpesvirus and typified when fully developed by tense vesicles, herpes simplex consisting of grouped vesicles on an erythematous base, zoster being made up of vesicles, sometimes hemorrhagic…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Sclerotic Fibroma?

…y recognized tumor [sclerotic fibroma] is still unclear. The occurrence of these lesions in Cowden’s disease (multiple hamartoma syndrome) may suggest that this tumor represents a hamartoma of fibrous tissue.” Nogita T, Akiyuoshi E,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eruptive Vellus Hair Cyst?

…epithelium and the remainder of it of matrical epithelium. Pilomatricoma, unlike steatocystoma, is a benign neoplasm, not a hamartoma. Another analogue is a true cyst, rather than a cystic part of a hamartoma or of a benign neoplasm, namely, the…

Histologic Diagnosis of Inflammatory Skin Diseases

Dermatofibroma

…nd histiocytes situated beneath the surface epidermis to look and act like follicular papillae to induce from that epidermis folliculosebaceous units. The phenomenon represents a recapitulation of events in embryonic life during which nubbins of…

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