caseation necrosis


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ca·se·ous ne·cro·sis

, caseation necrosis
necrosis characteristic of certain inflammations (for example, tuberculosis, histoplasmosis), which represents necrosis with loss of separate structures of the various cellular and histologic elements; affected tissue manifests the friable, crumbly consistency and dull, opaque quality observed in cheese.

ca·se·ous ne·cro·sis

, caseation necrosis (kā'sē-ŭs nĕ-krō'sis, kā-sē-ā'shŭn)
Necrosis characteristic of certain inflammations (e.g., tuberculosis, histoplasmosis); affected tissue manifests the friable, crumbly consistency and dull, opaque quality observed in cheese.
Synonym(s): caseous degeneration.

ca·se·ous ne·cro·sis

, caseation necrosis (kā'sē-ŭs nĕ-krō'sis, kā-sē-ā'shŭn)
Necrosis characteristic of some inflammations; affected tissue manifests the crumbly consistency and dull opaque quality of cheese. Also called caseous degeneration.
References in periodicals archive ?
Both USG and CT scan show number and extent of cervical lymph nodes, central caseation necrosis, matted lymph nodes, IJV invasion, and IJV thrombus.
The histological picture of hepatic tuberculoma is usually that of a large epithelioid tumour composed of conglomerate tubercles with central caseation necrosis. Langerhans-type giant cells may be found in the granuloma and are surrounded by lymphohistiocytic cells, plasma cells and eosinophils.
The youngest patient was a two year old female child with a cold abscess on front of chest wall and the oldest patient was a 70 year old male presenting with a supraclavicular mass reported as Tuberculosis with extensive Caseation necrosis on FNAC.
proliferans, and, most notably, extensive caseation necrosis typical of mycobacterial infection.
This revealed miliary tuberculosis with diffuse granulomatous disease, caseation necrosis, and acid fast organisms identified at multi-organ sites including the liver, lungs, kidneys and adrenal glands.
Neither caseation necrosis nor mitotic figures were identified.
Caseation necrosis within the granuloma is seen as a consequence of delayed hypersensitivity reaction and is composed of dead macrophages and bacilli.
KEY WORDS: Caseation necrosis, Epithelioid granuloma, FNAC, Lymph node, Tuberculous lymphadenitis.INRODUCTION
epithelioid cell granulomas are observed histologically in both diseases, caseation necrosis is rarely observed in GR.1,10,11
2- Biopsy of affected site showing granulation reaction with central caseation necrosis.
Pathologic findings showed granulomatous inflammation with caseation necrosis, foreign body-type giant cells, and proliferative endarteritis with vascular occlusions.