Search Results for: folliculo-apocrine cystic hamartoma

Differential Diagnosis in Dermatopathology

Discussions

…into the subcutaneous fat. As a consequence of the proliferation of fibrocytes and the accompanying fibroplasia, some normal folliculo-sebaceous units may be destroyed, but eccrine structures tend to be spared. The epidermis above the process…

Differential Diagnosis in Dermatopathology

Discussions

…e porokeratotic, and from linear psoriasis, including the linear lichen planus, and lichen striatus. An epidermal nevus is a hamartoma that, on biopsy, is found to have different characteristics histopathologic that are reflected in differences…

Histologic Diagnosis of Inflammatory Skin Diseases

Leukocytoclastic vasculitis

…ons in pathology in general, i.e., virtually all are flawed, e.g., definitions of “inflammatory disease,” “hamartoma,” “malformation,” “neoplasm,” and “benign” and “malignant.”…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen striatus

…matory linear verrucous epidermal nevus is included here as an “inflammatory disease,” even though it truly is a hamartoma, the reason for that liberty being taken because clinically, and histopathologically, it resembles an inflammatory…

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…

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…

Differential Diagnosis in Dermatopathology

Infundibular cyst vs. Isthmus-catagen cyst

A disease of pilosebaceous units, especially infundibula, that may manifest itself as noninflammatory lesions, i.e., comedones and intact cysts, or as inflammatory lesions, i.e., papules, nodules, and pustules. The process may resolve without…

Acantholytic dyskeratotic acanthoma: case report and review of the literature

Acantholytic dyskeratotic acanthoma: case report and review of the literature

…ts who had a solitary, non-genital lesion with acantholysis and dyskeratosis; however, the lesion did not have a cup-shaped, cystic architecture or follicular involvement [17]. Nail findings of focal acantholytic dyskeratosis were first described by…

Proton pump inhibitor induced Sweet’s syndrome: report of acute febrile neutrophilic dermatosis in a woman with recurrent breast cancer

Proton pump inhibitor induced Sweet’s syndrome: report of acute febrile neutrophilic dermatosis in a woman with recurrent breast cancer

…a. Immunohistochemistry stains showed that the tumor cells were positive for BRST-2—a monoclonal antibody that detects gross cystic disease fluid protein 15 (GCDFP-15) which is a specific marker for breast cancer in surgical specimens–and…