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Follicular hyperplasia (FH) is a type of lymphoid hyperplasia and is classified as a lymphadenopathy, which means a disease of the lymph nodes. It is caused by a stimulation of the B cell compartment and by abnormal cell growth of secondary follicles. This typically occurs in the cortex without disrupting the lymph node capsule. [1]
Although the exact cause of PN is unknown, PN is associated with other dermatologic conditions such as untreated or severe atopic dermatitis and systemic causes of pruritus including liver disease and end stage kidney disease. [2] The goal of treatment in PN is to decrease itching. PN is also known as Hyde prurigo nodularis, or Picker's nodules ...
Mycoses, [1] fungal disease, [2] fungal infection [3] ICD-10CM codes: Mycoses B35-B49 [4] Micrograph showing a mycosis (aspergillosis). The Aspergillus (which is spaghetti-like) is seen in the center and surrounded by inflammatory cells and necrotic debris. H&E stain. Specialty: Infectious Diseases [5] Types: Systemic, superficial, subcutaneous ...
Monocyte- and macrophage-related cutaneous conditions are characterized histologically by infiltration of the skin by monocyte or macrophage cells, [10] often divided into several categories, including granulomatous disease, [83] histiocytoses, [84] and sarcoidosis.
In addition to diarrhea, someone with inflammatory bowel disease (IBD) may have abdominal pain, vomiting, rectal bleeding and/or weight loss, according to research. Essentially, it depends on ...
Within the latter type, hairs in structures called pilosebaceous units have a hair follicle, sebaceous gland, and associated arrector pili muscle. [17] In the embryo, the epidermis, hair, and glands are from the ectoderm, which is chemically influenced by the underlying mesoderm that forms the dermis and subcutaneous tissues. [18] [19] [20]
Most patients with mycosis fungoides have early-stage disease (Stage IA-IIA) at the time of their initial diagnosis. [19] People with early stage disease that is primarily confined to the skin have a favorable prognosis. [19] People with advanced stage (Stage IIB-IVB) are often refractory to treatment and have an unfavorable prognosis. [19]
Stevens–Johnson syndrome (SJS) is a type of severe skin reaction. [1] Together with toxic epidermal necrolysis (TEN) and Stevens–Johnson/toxic epidermal necrolysis (SJS/TEN) overlap, they are considered febrile mucocutaneous drug reactions and probably part of the same spectrum of disease, with SJS being less severe.