Search Results for: sinus

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…. 3.34). In contrast to a fistula that is open on both ends, neither of which needs be in continuity with an infundibulum, a sinus is open at one end only. Examples of cutaneous sinus are seen in lesions of the so-called follicular occlusion triad,…

Histologic Diagnosis of Inflammatory Skin Diseases

Destombes-Rosai-Dorfman disease

…eview. Acta Derm Venereol 2002;82(4):292-6.Lennert K, Niedorf HR, Blumke S, et al. Lymphadenitis with massive hemophagocytic sinus histiocytosis. Virchows Arch [B] 1972;10:14–29. Olsen EA, Crawford JR, Vollmer RT. Sinus histiocytosis with massive…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Histiocytoses?

…ng reticulohistiocytosis Non-Langerhans cell histiocytoses Overlap disorders (CD1a-, S100-) Indeterminate cell histiocytosis Sinus histiocytosis with massive lymphadenopathy Macrophage disorders (CD1a-, S100-, macrophage marker+) Xanthogranuloma…

Histologic Diagnosis of Inflammatory Skin Diseases

Acne vulgaris

…plicable equally to all of the other types of so-called acne. When suppurative infundibulitis of acne vulgaris is extensive, sinus tracts come into existence as infundibular epidermis proliferates in a valiant effort to contain the sea of…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Focus of Infection?

…ous foci of infection in other parts of the body. Some had abscessed teeth, and others had grossly diseased tonsils, chronic sinus trouble, duodenal ulcer, chronic colitis or arthritis. In other words, our search has shown that all of our patients…

Differential Diagnosis in Dermatopathology

Acne vulgaris, erythematous papule vs. Rosacea, erythematous papule

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…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…undibulitis. 10.1.4A: Fibrosing dermatitis + 10.1.4B: Dense lymphoplasmacytic infiltrates and fibrosis at the periphery of a sinus = Hidradenitis suppurativa Changes just like these are seen in acne conglobata and acne keloidalis. Note well the…

On the nature of thought processes and their relationship to the accumulation of knowledge, Part XVI-The process of making a diagnosis

On the nature of thought processes and their relationship to the accumulation of knowledge, Part XVI-The process of making a diagnosis

…icle about sickle cell disease in all its manifestations, the list of differential diagnoses might include carotid-cavernous sinus fistula. If the patient does not have the attribute of a swollen proptotic eye, one need not consider…