Difference between revisions of "Foreign material"
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==Microscopic== | ==Microscopic== | ||
Features: | Features: | ||
* | *Material with out nuclei. | ||
*May be honeycomb-like, cartilage-like or muscle-like. | |||
*May be homogenous. | |||
DDx: | DDx: | ||
*[[Fecal material]] - if in colon/rectum. | *[[Fecal material]] - if in colon/rectum. | ||
*[[Necrosis|Necrotic material]]. | *[[Necrosis|Necrotic material]]. | ||
*Degradable surgical sponges.<ref>URL: [http://oldfiles.bjorl.org/conteudo/acervo/print_acervo_english.asp?id=791 http://oldfiles.bjorl.org/conteudo/acervo/print_acervo_english.asp?id=791]. Accessed on: November 25, 2014.</ref> | |||
==Sign out== | ==Sign out== | ||
Revision as of 17:59, 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.
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.
- May be homogenous.
DDx:
- Fecal material - if in colon/rectum.
- Necrotic material.
- Degradable surgical sponges.[1]
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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
- ↑ URL: http://oldfiles.bjorl.org/conteudo/acervo/print_acervo_english.asp?id=791. Accessed on: November 25, 2014.