Difference between revisions of "Sarcina"
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==Microscopic== | ==Microscopic== | ||
Features:<ref>{{Cite journal | last1 = Lam-Himlin | first1 = D. | last2 = Tsiatis | first2 = AC. | last3 = Montgomery | first3 = E. | last4 = Pai | first4 = RK. | last5 = Brown | first5 = JA. | last6 = Razavi | first6 = M. | last7 = Lamps | first7 = L. | last8 = Eshleman | first8 = JR. | last9 = Bhagavan | first9 = B. | title = Sarcina organisms in the gastrointestinal tract: a clinicopathologic and molecular study. | journal = Am J Surg Pathol | volume = 35 | issue = 11 | pages = 1700-5 | month = Nov | year = 2011 | doi = 10.1097/PAS.0b013e31822911e6 | PMID = 21997690 }}</ref> | Features:<ref name=pmid21997690>{{Cite journal | last1 = Lam-Himlin | first1 = D. | last2 = Tsiatis | first2 = AC. | last3 = Montgomery | first3 = E. | last4 = Pai | first4 = RK. | last5 = Brown | first5 = JA. | last6 = Razavi | first6 = M. | last7 = Lamps | first7 = L. | last8 = Eshleman | first8 = JR. | last9 = Bhagavan | first9 = B. | title = Sarcina organisms in the gastrointestinal tract: a clinicopathologic and molecular study. | journal = Am J Surg Pathol | volume = 35 | issue = 11 | pages = 1700-5 | month = Nov | year = 2011 | doi = 10.1097/PAS.0b013e31822911e6 | PMID = 21997690 }}</ref> | ||
* | *Small essentially spherical micro-organisms. | ||
**Each micro-organism 1.8-3 micrometres - purple on [[H&E stain]]. | |||
**Arranged in clusters of 4, 8 or more - classically in a tetrad. | |||
===Images=== | ===Images=== | ||
Revision as of 12:53, 10 June 2015
Micrograph showing Sarcina. H&E stain. (WC/Librepath)
Sarcina organisms are seen in gastrointestinal tract.
General
- Probably a commensal organism.[1]
- Uncommonly seen.
- Associated with gastroparesis,[1] as may be seen in diabetes mellitus.
Described complications:[1]
- Gastric perforation.
- Emphysematous gastritis.
Notes:
- Sarcina ventriculi = Gram-positive organism.[1]
Gross
Features:
- Erythema.
- +/-Gastric ulcer.
- +/-Retained food.
Microscopic
Features:[2]
- Small essentially spherical micro-organisms.
- Each micro-organism 1.8-3 micrometres - purple on H&E stain.
- Arranged in clusters of 4, 8 or more - classically in a tetrad.
Images
Case 1
Sarcina - low mag.
Sarcina - intermed. mag.
Sarcina - intermed. mag.
Sarcina - high mag.
Sarcina - high mag.
Sarcina - very high mag.
Sarcina - very high mag.
www
See also
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Ratuapli, SK.; Lam-Himlin, DM.; Heigh, RI. (2013). "Sarcina ventriculi of the stomach: a case report.". World J Gastroenterol 19 (14): 2282-5. doi:10.3748/wjg.v19.i14.2282. PMID 23599657.
- ↑ Lam-Himlin, D.; Tsiatis, AC.; Montgomery, E.; Pai, RK.; Brown, JA.; Razavi, M.; Lamps, L.; Eshleman, JR. et al. (Nov 2011). "Sarcina organisms in the gastrointestinal tract: a clinicopathologic and molecular study.". Am J Surg Pathol 35 (11): 1700-5. doi:10.1097/PAS.0b013e31822911e6. PMID 21997690.