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Granuloma; Picture of a granuloma (without necrosis) as seen through a microscope on a glass slide: The tissue on the slide is stained with two standard dyes (hematoxylin: blue, eosin: pink) to make it visible. The granuloma in this picture was found in a lymph node of a patient with a Mycobacterium avium infection. Specialty: Pathology
It is necessary for a network of blood vessels to be established as soon as possible to provide the growing tissue with nutrients, to take away cellular wastes, and transport new leukocytes to the area. Fibroblasts, the main cells that deposit granulation tissue, depend on oxygen to proliferate and lay down the new extracellular matrix. [7]
This is especially true if the granuloma is located on the scalp. [medical citation needed] Epulis granulomatosum is a variant of pyogenic granuloma that forms only on gingiva, and is often seen forming in a recent extraction socket. Pyogenic granulomas appear on the gingiva in 75% of cases, more often in the maxillary than mandibular jaw ...
Human eosinophilic granuloma is characterized by abnormal proliferation of Langerhans cells (LCs). LCs are antigen-presenting cells derived from dendritic cells. In humans, eosinophilic granulomas are considered as a benign tumors that occurs mainly in children and adolescents. EG is a quite rare condition, and its incidence is higher in white ...
In the majority of the time, nodules are not painful or disabling in any way. They are usually more of an unsightly nuisance. However, rheumatoid nodules can become painful when infection or ulcers occur on the skin of the nodule. Some nodules may disappear over time, but other may grow larger, making nodular size difficult to predict. [6]
Peripheral giant-cell granuloma (PGCG) is an oral pathologic condition that appears in the mouth as an overgrowth of tissue due to irritation or trauma. Because of its overwhelming incidence on the gingiva , the condition is associated with two other diseases , pyogenic granuloma and peripheral ossifying fibroma .
One of the most reliable distinguishing factors from plasmacytomas and plasma cell granulomas, is the polyclonality of the plasma cells involved with plasma cell granulomas. [3] PCGs that manifest in the mouth, specifically the gingiva, have been seen to exhibit similar physical characteristics of other conditions such as epulis, fibroma ...
Acanthoma fissuratum, also known as granuloma fissuratum is a cutaneous condition characterized by local thickening of the skin in response to pressure caused by an eyeglass frame. [1]: 777 Acanthoma fissuratum is a hard, folded, flesh-colored lesion or plaque with a central groove. It affects the ear and is common in people wearing poorly ...