Difference between revisions of "Foreign material"
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*Material with out nuclei. | *Material with out nuclei. | ||
*May be honeycomb-like, cartilage-like or muscle-like. | *May be honeycomb-like, cartilage-like or muscle-like. | ||
*Often homogenous. | *Often homogenous or patterned. | ||
DDx: | DDx: | ||
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Image:Embolization_kidney.jpg | Kidney embolization. [[H&E stain]]. | Image:Embolization_kidney.jpg | Kidney embolization. [[H&E stain]]. | ||
Image:Nasopharyngeal_angiofibroma_-_high_mag.jpg | Embolization of [[nasopharyngeal angiofibroma]]. [[H&E stain]]. | Image:Nasopharyngeal_angiofibroma_-_high_mag.jpg | Embolization of [[nasopharyngeal angiofibroma]]. [[H&E stain]]. | ||
Image:Suture_micrograph.jpg | Suture. [[H&E stain]]. | |||
</gallery> | </gallery> | ||
Revision as of 18:05, 25 November 2014
Foreign material is something that is extrinsic to the body.
Foreign body redirect to this article.
Fecal material is dealt with separately in the article fecal material.
General
- Relatively common.
- Seen in a number of contexts.
- Embolization procedures.
- Degradable surgical sponges.[1]
Gross
- Looks like it doesn't belong, e.g. food.
- Obvious foreign bodies are gross only diagnoses.
- Examples:
- A dildo removed surgically from a body orifice.
- A bullet removed in surgery - should be handled with care, photographed... probably will become evidence.
- Examples:
Microscopic
Features:
- Material with out nuclei.
- May be honeycomb-like, cartilage-like or muscle-like.
- Often homogenous or patterned.
DDx:
- Fecal material - if in colon/rectum.
- Necrotic material.
- Tissue processing artifact.
Images
Kidney embolization. H&E stain.
Embolization of nasopharyngeal angiofibroma. H&E stain.
Suture. H&E stain.
Sign out
FOREIGN BODY, RIGHT LOWER LOBE, RETRIEVAL: - MORPHOLOGICALLY CONSISTENT WITH A GREEN PEA (GROSS ONLY).
FOREIGN BODY, BRONCHUS INTERMEDIUS, RETRIEVAL: - MUCOUS WITH NEUTROPHILS AND MACROPHAGES. - BENIGN CALCIFICATIONS. - FOREIGN MATERIAL (HONEYCOMB-LIKE AND CARTILAGE-LIKE WITHOUT NUCLEI) -- COMPATIBLE WITH FOOD. - SCANT STRIPPED BRONCHIAL LINING EPITHELIUM WITHOUT APPARENT PATHOLOGY.
SOFT TISSUE, LEFT ARM, EXCISION: - FOREIGN BODY, APPEARANCE COMPATIBLE WITH A PIECE OF WOOD (GROSS ONLY). - FOREIGN BODY-REACTION (ACUTE AND CHRONIC INFLAMMATION WITH ACTIVATED FIBROBLASTS, HISTIOCYTES AND RARE GIANT CELLS). - NEGATIVE FOR MALIGNANCY.
See also
References
- ↑ URL: http://oldfiles.bjorl.org/conteudo/acervo/print_acervo_english.asp?id=791. Accessed on: November 25, 2014.