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Although uncommon in humans, some hairballs have been reported. These hairballs occur when hair strands collect in the stomach and are unable to be ejected due to not enough friction with the surface of the gastric mucosa. Hairballs are often seen in young girls as a result of
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up when it becomes too big. Hairballs are primarily a tight elongated cylinder of packed fur, but may include bits of other elements such as swallowed food. Animals with hairballs are sometimes mistaken as having other conditions of the stomach such as
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are also prone to hairballs because they groom themselves in the same fashion as cats, but hairballs are especially dangerous for rabbits because they cannot regurgitate them. Due to the fragility of their
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279:, Illinois, had a 4.5 kg (9.9 lb) hairball surgically removed from her stomach; and in 2014, a 9-pound hairball was removed from the stomach of an 18-year-old in
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Matejů, E.; Duchanová, S.; Kovac, P.; Moravanský, N.; Spitz, D. J. (September 2009). "Fatal case of
Rapunzel syndrome in neglected child".
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Santiago
Sanchez, C. A.; Garau Diaz, P.; Lugo Vicente, H. L. (January–March 1995). "Trichobezoar in a 11-year old girl: A case report".
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Ventura, D. E.; Herbella, F. A.; Schettini, S. T.; Delmonte, C. (2005). "Rapunzel syndrome with a fatal outcome in a neglected child".
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are also known to accumulate hairballs but, as they do not vomit, these are found usually after death and can be quite large.
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Pul, N.; Pul, M. (1996). "The
Rapunzel syndrome (trichobezoar) causing gastric perforation in a child: a case report".
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Dehghan, A.; Moaddab, A. H.; Mozafarpour, S. (June 2011). "An unusual localization of trichobezoar in the appendix".
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may be ineffective at removing the hair mass. This can result in the general impairment of the digestive system.
275:, Canada, had a grapefruit-sized hairball surgically removed from her stomach; in 2006, an 18-year-old woman from
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250:). Trichobezoars are rare, but can be fatal if undetected. Surgical intervention is often required.
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Example of the sounds and motions a common housecat makes when it is coughing up a hairball.
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Gorter, R. R.; Kneepkens, C. M.; Mattens, E. C.; Aronson, D. C.; Heij, H. A. (May 2010).
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Mass of ingested hair created in the stomach, often regurgitated by cats
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642:"Hairballs: Myths and Realities behind some Medical Curiosities"
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419:"Management of trichobezoar: case report and literature review"
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Levy, Ronald; Komanduri, Srinadh M. (2007). "Trichobezoar".
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734:"Huge 9lb hairball removed from teenage girl's stomach"
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are especially prone to hairball formation since they
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49:. Unsourced material may be challenged and removed.
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616:Boletin de la Asociacion Medica de Puerto Rico
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327:Proceedings of the Royal Society of Medicine
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370:Sah, D. E.; Koo, J.; Price, V. H. (2008).
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144:A 10 cm (3.9 in) cat hairball
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650:National Museum of Health and Medicine
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323:"Specimen of Hair-ball of the Stomach"
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221:A 5 cm (2.0 in) cat hairball
732:Dodds, Laurence (30 September 2014).
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47:adding citations to reliable sources
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581:Turkish Journal of Gastroenterology
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674:. 14 November 2003. Archived from
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197:their fur, and thereby ingest it.
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754:"Girl died from eating her hair"
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503:Forensic Science International
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238:(a mass found trapped in the
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185:, and tumor of the spleen.
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321:Rolleston, J. D. (1924).
152:is a small collection of
668:"Talk about a Hairball!"
646:NMHM.WashingtonDC.museum
240:gastrointestinal system
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711:10.1056/NEJMicm067796
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226:Clinical significance
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678:on 30 September 2011
672:Forums.DealOfDay.com
656:on 21 November 2009.
379:Dermatologic Therapy
297:Pellet (ornithology)
168:, and uncommonly in
43:improve this article
739:The Daily Telegraph
254:Society and culture
648:. Washington, DC:
550:10.1007/bf02115620
372:"Trichotillomania"
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762:. 20 August 1999.
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302:Rapunzel syndrome
273:Red Deer, Alberta
204:digestive systems
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99:October 2023
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41:Please help
36:verification
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780:Animal hair
705:(21): e23.
544:(1): 18–9.
208:dehydration
785:Cat health
774:Categories
682:2 February
308:References
281:Kyrgyzstan
69:newspapers
58:"Hairball"
759:BBC News
719:18032760
601:21805435
566:20876626
523:19505779
488:16227005
453:20213124
401:18318881
357:19984083
291:See also
285:vomiting
150:hairball
628:8885440
558:8750804
444:2856853
348:2201872
277:Chicago
199:Rabbits
195:licking
174:vomited
166:animals
162:stomach
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236:bezoar
212:Cattle
170:humans
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562:S2CID
375:(PDF)
234:is a
191:groom
90:JSTOR
76:books
715:PMID
684:2011
624:PMID
597:PMID
554:PMID
519:PMID
484:PMID
449:PMID
397:PMID
353:PMID
269:pica
187:Cats
154:hair
62:news
707:doi
703:357
589:doi
546:doi
542:155
511:doi
507:190
476:doi
439:PMC
431:doi
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343:PMC
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164:of
158:fur
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