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{{Short description|Mass of ingested hair created in the stomach, often regurgitated by cats}}
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⚫ A '''hairball''' is a small collection of ] or ] formed in the ] of ]s, and uncommonly in ]s, that is occasionally ] 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 ], ], and tumor of the spleen.<ref>{{cite journal |last=Rolleston |first=J. D. |title=Specimen of Hair-ball of the Stomach |journal=Proceedings of the Royal Society of Medicine |date=1924 |volume=17 |issue=Section for the Study of Disease in Children |pages=5–8 |doi=10.1177/003591572401702104 |pmc=2201872 |pmid=19984083}}</ref> ]s are especially prone to hairball formation since they ] themselves by ] their fur, and thereby ingest it. ]s 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 ], hairballs in rabbits must be treated immediately or they may stop feeding and ultimately die from ]. ] 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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== Clinical significance ==
⚫ A '''hairball''' is a small collection of ] or ] formed in the ] of ]s that is occasionally ]ed 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. ]s are especially prone to hairball formation since they ] themselves by ] their fur, and thereby ingest it. ]s 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. Because the ] of a rabbit is very fragile, rabbit hairballs must be treated immediately or they may cause the animal to stop feeding and ultimately die due to ]. ] are also known to accumulate hairballs, but as they do not vomit, these are found usually after death and can be quite large.
A ''trichobezoar'' is a ] (a mass found trapped in the ]) formed from the ingestion of hair. Trichobezoars are often associated with ] (compulsive ]).<ref name=Sah>{{cite journal |last1=Sah |first1=D. E. |last2=Koo |first2=J. |last3=Price |first3=V. H. |title=Trichotillomania |journal=Dermatologic Therapy |volume=21 |issue=1 |pages=13–21 |date=2008 |pmid=18318881 |doi=10.1111/j.1529-8019.2008.00165.x |url=http://www3.interscience.wiley.com/cgi-bin/fulltext/119418689/PDFSTART|format=PDF|doi-access=free }}{{dead link|date=February 2019|bot=medic}}{{cbignore|bot=medic}}</ref> Trichobezoars are rare, but can be fatal if undetected.<ref name="Gorter">{{cite journal |last1=Gorter |first1=R. R. |last2=Kneepkens |first2=C. M. |last3=Mattens |first3=E. C. |last4=Aronson |first4=D. C. |last5=Heij |first5=H. A. |title=Management of trichobezoar: case report and literature review |journal=Pediatric Surgery International |volume=26 |issue=5 |pages=457–63 |date=May 2010 |pmid=20213124 |pmc=2856853 |doi=10.1007/s00383-010-2570-0 }}</ref><ref name=Ventura>{{cite journal |last1=Ventura |first1=D. E. |last2=Herbella |first2=F. A. |last3=Schettini |first3=S. T. |last4=Delmonte |first4=C. |title=Rapunzel syndrome with a fatal outcome in a neglected child |journal=Journal of Pediatric Surgery |volume=40 |issue=10 |pages=1665–1667 |date=2005 |pmid=16227005 |doi=10.1016/j.jpedsurg.2005.06.038}}</ref><ref name=Mateju>{{cite journal |last1=Matejů |first1=E. |last2=Duchanová |first2=S. |last3=Kovac |first3=P. |last4=Moravanský |first4=N. |last5=Spitz |first5=D. J. |title=Fatal case of Rapunzel syndrome in neglected child |journal=Forensic Science International |volume=190 |issue=1–3 |pages=e5–7 |date=September 2009 |pmid=19505779 |doi=10.1016/j.forsciint.2009.05.008}}</ref><ref>{{cite journal |last1=Pul |first1=N. |last2=Pul |first2=M. |title=The Rapunzel syndrome (trichobezoar) causing gastric perforation in a child: a case report |journal=European Journal of Pediatrics |volume=155 |issue=1 |pages=18–9 |date=1996 |pmid=8750804 |doi=10.1007/bf02115620|s2cid=20876626 }}</ref> Surgical intervention is often required.<ref name="Gorter" /><ref>{{cite journal |last1=Dehghan |first1=A. |last2=Moaddab |first2=A. H. |last3=Mozafarpour |first3=S. |title=An unusual localization of trichobezoar in the appendix |journal=Turkish Journal of Gastroenterology |date=June 2011 |volume=22 |issue=3 |pages=357–358|doi=10.4318/tjg.2011.0232 |pmid=21805435 }}</ref>
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== Society and culture ==
⚫ ]
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.<ref>{{cite journal |last1=Santiago Sanchez |first1=C. A. |last2=Garau Diaz |first2=P. |last3=Lugo Vicente |first3=H. L. |title=Trichobezoar in a 11-year old girl: A case report |journal=Boletin de la Asociacion Medica de Puerto Rico |date=January–March 1995 |volume=88 |issue=1–3 |pages=8–11 |pmid=8885440}}</ref> Hairballs are often seen in young girls as a result of ], ], and ].<ref>{{cite web |url=http://nmhm.washingtondc.museum/exhibits/virtual/hairball.html |title=Hairballs: Myths and Realities behind some Medical Curiosities |url-status=dead |archive-url=https://web.archive.org/web/20091121154025/http://nmhm.washingtondc.museum/exhibits/virtual/hairball.html |archive-date=21 November 2009 |work=NMHM.WashingtonDC.museum |publisher=] |location=Washington, DC}}</ref> In 2003, a 3-year-old girl in ], Canada, had a grapefruit-sized hairball surgically removed from her stomach;<ref>{{cite web |url=http://forums.dealofday.com/threads/133187-Talk-about-a-Hairball!!! |title=Talk about a Hairball! |work=Forums.DealOfDay.com |date=14 November 2003 |access-date=2 February 2011 |archive-url=https://web.archive.org/web/20110930220451/http://forums.dealofday.com/threads/133187-Talk-about-a-Hairball!!! |archive-date=30 September 2011 |url-status=dead}}</ref>{{better source needed|date=October 2023|reason=This is not a reliable sources, it's a clickbait content farm.}} in 2006, an 18-year-old woman from ], Illinois, had a {{Convert|4.5|kg|lb|abbr=on}} hairball surgically removed from her stomach;<ref>{{cite journal |last1=Levy |first1=Ronald |last2=Komanduri |first2=Srinadh M. |title=Trichobezoar |journal=New England Journal of Medicine |volume=357 |issue=21 |pages=e23 |date=2007 |doi=10.1056/NEJMicm067796 |pmid=18032760}}</ref> and in 2014, a 9-pound hairball was removed from the stomach of an 18-year-old in ].<ref>{{cite news |last=Dodds |first=Laurence |url=https://www.telegraph.co.uk/news/newstopics/howaboutthat/11130173/Huge-9lb-hairball-removed-from-teenage-girls-stomach.htm |title=Huge 9lb hairball removed from teenage girl's stomach |work=] |date=30 September 2014}}</ref> Hairballs can be quite hazardous in humans<ref>{{cite news |url=http://news.bbc.co.uk/2/hi/health/425609.stm |title=Girl died from eating her hair |work=] |date=20 August 1999}}</ref> since hair cannot be digested or passed by the human gastrointestinal system, and (assuming it is identified) even ] may be ineffective at removing the hair mass. This can result in the general impairment of the digestive system.

Although uncommon in ]s, some hairballs have been reported, often in young girls as a result of ], ] and ].<ref>, ], Washington, D.C.</ref> In 2003, a 3-year old girl in ] had a grapefruit-sized hairball ] removed from her stomach;<ref>http://forums.dealofday.com/threads/133187-Talk-about-a-Hairball!!!</ref> and in 2004, an 18-year old woman from ], had a {{Convert|2.3|kg|lb|abbr=on}} hairball surgically removed from her lower intestine.{{Verify source|date=May 2009}} Hairballs can be quite hazardous in humans,<ref>, BBC News, 1999-08-20</ref> since hair cannot be digested or passed by the human gastrointestinal system, and (assuming it is identified) even ] may be ineffective at removing the hair mass. This can result in the general impairment of the digestive system.
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== See also == == See also ==
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== References == == References ==
{{reflist}} {{Reflist}}


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Latest revision as of 07:38, 13 July 2024

Mass of ingested hair created in the stomach, often regurgitated by cats
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Example of the sounds and motions a common housecat makes when it is coughing up a hairball.
A 10 cm (3.9 in) cat hairball

A hairball is a small collection of hair or fur formed in the stomach of animals, and uncommonly in humans, that is occasionally vomited 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 lymphosarcoma, tuberculosis, and tumor of the spleen. Cats are especially prone to hairball formation since they groom themselves by licking their fur, and thereby ingest it. Rabbits 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 digestive systems, hairballs in rabbits must be treated immediately or they may stop feeding and ultimately die from dehydration. Cattle are also known to accumulate hairballs but, as they do not vomit, these are found usually after death and can be quite large.

A 5 cm (2.0 in) cat hairball

Clinical significance

A trichobezoar is a bezoar (a mass found trapped in the gastrointestinal system) formed from the ingestion of hair. Trichobezoars are often associated with trichotillomania (compulsive hair pulling). Trichobezoars are rare, but can be fatal if undetected. Surgical intervention is often required.

Society and culture

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 trichophagia, trichotillomania, and pica. In 2003, a 3-year-old girl in Red Deer, Alberta, Canada, had a grapefruit-sized hairball surgically removed from her stomach; in 2006, an 18-year-old woman from Chicago, 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 Kyrgyzstan. Hairballs can be quite hazardous in humans since hair cannot be digested or passed by the human gastrointestinal system, and (assuming it is identified) even vomiting may be ineffective at removing the hair mass. This can result in the general impairment of the digestive system.

See also

References

  1. Rolleston, J. D. (1924). "Specimen of Hair-ball of the Stomach". Proceedings of the Royal Society of Medicine. 17 (Section for the Study of Disease in Children): 5–8. doi:10.1177/003591572401702104. PMC 2201872. PMID 19984083.
  2. Sah, D. E.; Koo, J.; Price, V. H. (2008). "Trichotillomania" (PDF). Dermatologic Therapy. 21 (1): 13–21. doi:10.1111/j.1529-8019.2008.00165.x. PMID 18318881.
  3. ^ Gorter, R. R.; Kneepkens, C. M.; Mattens, E. C.; Aronson, D. C.; Heij, H. A. (May 2010). "Management of trichobezoar: case report and literature review". Pediatric Surgery International. 26 (5): 457–63. doi:10.1007/s00383-010-2570-0. PMC 2856853. PMID 20213124.
  4. Ventura, D. E.; Herbella, F. A.; Schettini, S. T.; Delmonte, C. (2005). "Rapunzel syndrome with a fatal outcome in a neglected child". Journal of Pediatric Surgery. 40 (10): 1665–1667. doi:10.1016/j.jpedsurg.2005.06.038. PMID 16227005.
  5. Matejů, E.; Duchanová, S.; Kovac, P.; Moravanský, N.; Spitz, D. J. (September 2009). "Fatal case of Rapunzel syndrome in neglected child". Forensic Science International. 190 (1–3): e5–7. doi:10.1016/j.forsciint.2009.05.008. PMID 19505779.
  6. Pul, N.; Pul, M. (1996). "The Rapunzel syndrome (trichobezoar) causing gastric perforation in a child: a case report". European Journal of Pediatrics. 155 (1): 18–9. doi:10.1007/bf02115620. PMID 8750804. S2CID 20876626.
  7. Dehghan, A.; Moaddab, A. H.; Mozafarpour, S. (June 2011). "An unusual localization of trichobezoar in the appendix". Turkish Journal of Gastroenterology. 22 (3): 357–358. doi:10.4318/tjg.2011.0232. PMID 21805435.
  8. Santiago Sanchez, C. A.; Garau Diaz, P.; Lugo Vicente, H. L. (January–March 1995). "Trichobezoar in a 11-year old girl: A case report". Boletin de la Asociacion Medica de Puerto Rico. 88 (1–3): 8–11. PMID 8885440.
  9. "Hairballs: Myths and Realities behind some Medical Curiosities". NMHM.WashingtonDC.museum. Washington, DC: National Museum of Health and Medicine. Archived from the original on 21 November 2009.
  10. "Talk about a Hairball!". Forums.DealOfDay.com. 14 November 2003. Archived from the original on 30 September 2011. Retrieved 2 February 2011.
  11. Levy, Ronald; Komanduri, Srinadh M. (2007). "Trichobezoar". New England Journal of Medicine. 357 (21): e23. doi:10.1056/NEJMicm067796. PMID 18032760.
  12. Dodds, Laurence (30 September 2014). "Huge 9lb hairball removed from teenage girl's stomach". The Daily Telegraph.
  13. "Girl died from eating her hair". BBC News. 20 August 1999.
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