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Episcleritis is a common condition, and is characterized by the abrupt onset of painless eye redness. There are two types of episcleritis, nodular and simple. Nodular episcleritis lesions have raised surface. Simple episcleritis lesions are flat. There are two subtypes. In diffuse simple episcleritis, inflammation is generalized.
Scleritis can be classified as anterior scleritis and posterior scleritis. Anterior scleritis is the most common variety, accounting for about 98% of the cases. It is of two types : Non-necrotising and necrotising. Non-necrotising scleritis is the most common, and is further classified into diffuse and nodular type based on morphology.
A limbal nodule is any nodular lesion at the limbus (junction of the cornea and sclera) of the eye. The differential diagnosis for a limbal nodule can include: Pinguecula; Early Pterygium; Foreign body / foreign body granuloma; Phlycten, an inflamed nodule of lymphoid tissue; Episcleritis; Scleritis; Granuloma
Inflammatory papillary hyperplasia (IPH) is a benign lesion of the oral mucosa which is characterized by the growth of one or more nodular lesions, measuring about 2mm or less. [4] [5] The lesion almost exclusively involves the hard palate, and in rare instances, it also has been seen on the mandible. The lesion is mostly asymptomatic and color ...
Cutaneous lymphoid hyperplasia with nodular pattern (nodular pattern of cutaneous lymphoid hyperplasia) Diffuse large B-cell lymphoma (primary cutaneous large B-cell lymphoma) Granulocytic sarcoma (chloroma, myeloid sarcoma) Granulomatous slack skin; Hairy-cell leukemia; Hodgkin's disease; Ichthyosis acquisita (acquired ichthyosis) IgG 4 ...
Nodular sclerosing Hodgkin lymphoma ("NSHL") or Nodular sclerosis is a form of Hodgkin's lymphoma [1] that is the most common subtype of HL in developed countries. It affects females slightly more than males and has a median age of onset at ~28 years.
Variant form of nodular lymphocyte predominant Hodgkin lymphoma T-cell/histiocyte-rich large B-cell lymphoma (THRLBCL) is a malignancy of B cells . B-cells are lymphocytes that normally function in the humoral immunity component of the adaptive immune system by secreting antibodies that, for example, bind to and neutralize invasive pathogens .
Diagnosis requires a biopsy, so that the exact type of tissue can be determined by examination under a microscope.PMBCL is a distinct type of lymphoma that shares some features with both diffuse large B-cell lymphoma, and nodular sclerosing Hodgkin lymphoma (NSHL). [10]