Search Results for: infundibuloapocrine-sebaceous-follicular unit

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Degeneration Syndrome?

…biopsy specimens. . . . Transverse sections were superior in cases of lupus erythematosus and lichen planopilaris with focal follicular involvement. Features of the follicular degeneration syndrome were also best demonstrated in transverse…

Sebaceous carcinoma in situ as a concept and diagnostic entity

Sebaceous carcinoma in situ as a concept and diagnostic entity

…vasive growth, indicating neoplastic cells still confined in epithelium (within surface epithelium, infundibular epithelium, sebaceous gland, sebaceous duct, and/or follicular epithelium); and (2) Cytological attributes of malignancy, i.e. presence…

Extraocular sebaceous carcinoma: a series of three cases with varied presentation

Extraocular sebaceous carcinoma: a series of three cases with varied presentation

…rganoid, pseudo-neuroendocrine, etc [3,4]. This diversity may be explained by the common embryologic origin of the folliculo-sebaceous-apocrine unit being recapitulated in their neoplasms, as well. These tumours are known to be great mimics of…

Differential Diagnosis in Dermatopathology

Sebaceous hyperplasia vs. Nevus sebaceus of Jadassohn

An enlargement of normal pre-existing sebaceous lobules on the face, the forehead, cheeks, and nose in particular, that results in lesions seen clinically to consist of a rim of yellow papules around a central dell that represents a dilated ostium…

Differential Diagnosis in Dermatopathology

Infundibulo-folliculo-sebaceous cystic hamartoma vs. Steatocystoma

An enlargement of normal pre-existing sebaceous lobules on the face, the forehead, cheeks, and nose in particular, that results in lesions seen clinically to consist of a rim of yellow papules around a central dell that represents a dilated ostium…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Follicular Occlusion Triad?

…s. “The pathophysiological development [of acne conglobata] is similar to that of hidradenitis suppurativa except that follicular occlusion causes rupture of sebaceous glands, whereas hidradenitis affects the apocrine glands.” Chicarilli…

Reticulated acanthoma with sebaceous differentiation mimicking melanoma

Reticulated acanthoma with sebaceous differentiation mimicking melanoma

…characteristic of RASD. Muir-Torre syndrome (MTS) is characterized by the presence of cutaneous sebaceous neoplasia, such as sebaceous adenoma, sebaceous carcinoma, and sebaceoma. Patients with MTS develop carcinoma of internal organs very…

Linear sebaceous hyperplasia on the chest

Linear sebaceous hyperplasia on the chest

…e conversion. Note the multi-lobulated clods with central openings. (D) Hematoxylin and eosin staining of biopsied lesion of sebaceous gland hyperplasia: Note the multiple, mature sebaceous lobules attached to the central dilated duct in the upper…