Search Results for: sinus

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…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…g been described first by Destombes, a Frenchman, several years before. That particular pattern is encountered most often in sinus histiocytosis with massive lymphadenopathy, but it may be seen, at times, in the absence of any lymphadenopathy….

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…

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 infundibulosebaceous units, especially infundibula, that may manifest itself solely as noninflammatory lesions, i.e., comedones and intact cysts, or as inflammatory lesions, i.e., papules, nodules, and pustules. The process may resolve…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…ate of lymphocytes and plasma cells 9. Comedones and milia present often 9. No comedones or milia 10. Infundibular cysts and sinus tracts may be accompaniments 10. No infundibular cysts or sinus tracts 11. Telangiectasias not remarkable 11….

Histologic Diagnosis of Inflammatory Skin Diseases

Subcutaneous T-cell lymphoma

…histopathologic Virus-associated hemophagocytic syndrome is associated with cells whose nuclei show prominent abnormalities. Sinus histiocytosis with massive lymphadenopathy (Destombes-Rosai-Dorfman syndrome) is made up of large, pale histiocytes…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Wegener’s Granulomatosis?

…ranulomatosis . . . three pathological features: 1. Necrotizing granulomatous lesions in upper air passages (nose, paranasal sinuses, nasopharynx, glottis . . .) or in the lower respiratory tract (trachea, bronchi, lungs) or in both. 2. Generalized…