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i;::~~~~~~ ~;~'~~JK SCIENCE
I CASE REPORT ITrichobezoars: Case Reports and
Review ofLiteratureRajinder Parshad, Srinivas Prabhu, G.V.R. Kumar, A. Mukherjee, D. Bhamrah
AbstractBczoars arc masses of foreign material in the gut, which can be of four types: phylObcl.oars.trichobczoars. lactobezoars and food boluses. Phytobezoars arc the commonest among lh~se.
Stomach is the commonest site for bezoar formation. Bezoars can result in obstruction. irritationand damage to the gastric wall and malnutrition. They may present to the clinician with the complaintsof pain abdomen, they may migrate into small intestine where they m3) calise obstruction orperforation, vomiting and malnourishment. Trichobezoars are associated with trichotillomania adisorder characterized by faillU'e to resist impulse to pull out ones hair. In this article we revie\\t\\O cases. first was a case of twenty eight year old female who was diagnosed as a case ofgastric trihobezoar and the second case was a thirty year old lady diagnosed as a case of perforationperitonitis due to trichobczoar in jejunum, with one part in the stomach.
Key words
Bczoars. Trichobczoars, Gut
Introduction
The tcrm bezoar refers to accumulationlimpaction of
foreign material in the gastrointestinal tract and is known
to occur in lllan and animals for centuries. Bczoars from
the intestine of animals were originally worn as charms
and promoted as remedies to prevent disease. Bezoars
were also ground into potions for use as antidotes; the
term bezoar comes from either the Arabic "badzclu·11 or
Persian Hpadzehr" or Hebrian l1beluzaarl1 which allmcans
antidote or counter poison( 1-4).
The first serious dissertations on the bezoar was made
by Imad ul oia as early in thc 16th century (I). During
the middle ages man) healing qualities were attributed
to bezoars. The earliest references on the subject "'·:as
made by Sushruta in India which dates back to 12th cen
tUI)' BC(5).
In western countries, it was lirst dcscribcd b)
Baudamant at autopsy in 1779 (6). The first surgical
removal was done by Schonhorn in 1883 (6). Sincc Ihen
several case reports and small series have been reported
and a classic review of the topic (311 cases) "as made
by DeBakey and Ochsner in 1938(2). We report our ex
perience with two such cases.
CASE-I
The patient SO. a twenty eight year old woman·
presented with complaints of buming pain epigastrium
and a lump in the upper abdomen raf three months. The
pain was severe, non-colicky. burning in nature had no
relation to meals and had no relieving or aggravating
factors. She also complaincd of early satiety and occa
sional vomiting. She had no bowel complaints. She was
From the Department ofSurgical Disciplines, All India Institutc or Medical Sciences. New Delhi, IndiaCorrespondence fa: Dr. Rajindcr Parshad. Associate Professor. Department ofSurgical Discipline. AIIMS. Ne\'.. Delhi.
102 Vol. 4 No. 4. Octobcr~Dccell1bcr2002
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malTied for the past nine years and had an eight year old
daughter. subsequently shc had four first trimester
ab0l1ions. There was no rustory of hair pulling or hair
eating. although she had a habit ofholding her hair in her
mouth. She had long hair and her frontal hair appeared to
be irregular. suggesting the possibility ofhair pulling. A
psychological evaluation revealed minor depressive
disorder without any obessive component.
On examination of the abdomen a 6 x 8 centimeter
mobile. firm. non-tender epigastric mass was palpable.
Routine blood investigations were within nonl1al limits.
Barium meal examination and upper gastrointestinal
endoscopy was perfonned. These evaluations revealed
Ihe presence of a gastric trichobezoar (Fig. I).
Fig J. Harium meal c\:lminaliol1 sho\\ing gastric tnchobezoar.
She was taken up for exploratory laparotomy. The
abdomen was explored via a midline incision. The
IIichobezoar was removed via a gastrotomy, which was
closed in two layers. Her postoperative course was
une,·entful. Aller discharge she was referred for a psychi
atric follow up and at the time ofwriting this paper she was
being investigated for the cause ofthe multiple abortions.
CASE REPORT-2
LK. a 30 year old woman was admi tred wi th history
l,fmid abdominal pain for 20 days. The pain was initially
colicky but became continuous two days prior to the
admission. There was history of bilious vomiting. The
patient had passed small amount of flatus and stools till a
day prior to the admission. She had been suffering from
intestinal colic for one year prior to this episode. Patient
Vol. -4 No.4. OClober·December 2002
had history ofpica, which was revealed by the paticnt's
mother. History of eating her own hair in childhood,
episode of pain abdomeJ. with reClIlTent vomiting and
presence of hair strands in the vomitus was rcvealed by
patient's mother. There was no history ofany past surgical
treatment. On examination the paticnt was afebrilc but
dehydrated and having tachycardia (1IR-120/mt). Abdo
men was tender and bowel sounds \\cre diminished but
abdomen was not grossly distended. Rectal examination
revealed an empty rectum.
Laboratory investigations showcd mild anemia (lib
I 1gm%). nonnal white blood ccll COll1lt (4300/mm). blood
urea 56mg% and scrum elcclrolytcs Na+ -152me'l/!. K+
-3.1 me'l/l, levels consistent \\ith dehydration. Barium meal
follow through cxamination donc one week prior to
admission in another hospital revcalcd a persistent honey
comb barium coated mass in thc proximal small bowcl.
Plain x-rays done in the emcrgency department ofAIIMS
also showed a persistent honey comb mass with rctained
barium in the proximal small bowel and stomach with
pneumopcritonewn. However rest of the bowel was not
distended and therc werc no air fluid lc' cis. (Fig. 2)
Fig 2. Ahdominal radiograph shm\ Ing persistent harium l'oatedhoneycomb mass in (he stomach and small huwel.
An exloratory laparotomy was performed. On
exploration there was generalised perotonitis as well as
a loculated collection just below transverse mesocolon.
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Bo\\"cl cxamination re"ealed two perforations (each of
2cm diameter) \\ ith unhealthy margin at the duodeno
jejlUlaljlUlction with proximal end oflhe trichobezoar pro
jecting through thc pcrforatins. Trichobezoar (30 cm in
length) \\as remO\ cd through the perforations which were
closed primarih (hg.:1l,
Fig J. IrichOl)cJ;Uar~ l':\ I r;14.:t~d from ~IOIll<H:h tupperJand smallintesline(lowcr).
!\ duodenojejuonostomy with 2nd part ofduodenum was
done to bypass the unhealthy duodenal jejunal junction area.
Examination of stomach revealed another trichobezoar 10J:2 em soft indclltable mass which was removed through a
gastrotomy. Rest of the bowel ,",vas normal.
Postoperatively. patient developed listula from the site
of perforation closure which WllS mllnaged non-operatively
and patient was discharged on 23 post operative day when
the listula healed completely. Psychiatric evaluation did
not reveal any major psychological problem.
Discussion
Classification: Based on the origin there are four classesof bezoars: phytobezoars. trichobezoars, lactobezoars and
medication or food bolus bezollrs (4.7).
Trichobezoms were once the 1110st common types ofbezoars and accounted for more than half of the 303 cases
collected by DeBakey and Ochsner in 1938(2).
Characteristically, trichobezoars occur in children and adolescent females with long hair and emotional disturbance
associated with trichotillomania or tichophagia (8,9).
Clinicill presentation
More than 90% are reported in females with peak
incidence in the second and third decades (10). These
patients may ingest not only their hair, but also from other
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persons and animals as well as fibres from carpets andother sources(3). Evidence of hair loss may be present.
There is controversy over the incidence of underlyingpsychological disturbances in these patients.
Trichobezoars are fomled and usually confined to stomach
and symptoms develop gradually as the bczoars grO\\. Initially
patients may have anorexia. nausea and vomiting. early satiety.weight loss. epigastric pain and abdominal discomfort relatedto meals. Later patients ma) develop features ofgastric outletobstruction with passage of hair fragments in vomitus(3,11.12). Symptoms may be intermittent.
Sometimes trichobezoars may extend beyond the pylorus
or may dislodge and travel into the small intcstine wherethey may cause complicatiolns (12). Rapuni'cl syndromeoccurs when intestinal obstruction is produced by atrichobezoars with a tail that extends to or beyond ileocaecalvalvde (3,11,12,13).
Examination sometimes reveals hair loss. halitosis orepigastric mass which is mobile in all directions. Crepitusover the lump and indentability have been reported asspecific signs oftriehobezoars (10). Ilair in the vomitus or
gastric aspirate is diagnostic.
LahoratolY investignations usually reveal an iron deficiency.microcytic. hypochromic anemia, slight leucocytosis and apositive test for occult blood. Radiologiclll examination helps inmore than 70% cases. Plain abdominal radiographs may behelpful in a few cases but barium meal or cndoscopy arc usually
necessaJ) to conCinll the diagnosis. Barium meal may show anintragastric mass with barium retained on its honeycombsurface. Gastric endoscopy has becn shovvn to be the diagnostictechnique of choice (6,7,14) and it also has therapeutic value.
Bezoars appear as a rnllss ,>ViUl a highly echogenic surr.1ce on
ultrasound with minimal distal transmission; a mesh like pattern
may be seen on CTscan. and a mass "'Ul signal density similar
to air is seen on MRI (15,16).
Surgical removal remains the main stay of treatment ofbezoars. As in our patient this was the mode of removal andthis was successfully achieved with minimal morbidity.Removal ofbezoars by endoscopy requires multiple insertionsof the scope, removal of the bezoars piecemeal and a 101 of
patience and timet 17). To aid endoscopic removal enzymatic
digestion by proteolytic enzymes has been tried. -n,e actual
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disintegrmion may be achieved via a water jet, Nd: YAG
laser or mechanical disimpaction( 18). Chemical dissolution
of trichobczoars have been attempted with instillation of
papain and sodium bicarbonate. The problems with this mode
of therapy include a low success rate. derangement of acidbase balance and cven possible monality(3),
Complications
These include anorexia. hcmatemesis, gastric wall,
Ulceration and hee perforation with peritonitis(l 0), Other
conrp'l)\:.'3\\ons arc intestinal obstruction, obstructive
jaundice. malabsorption. protein loosing enteropathy.
tnlUssesception and append icitis (2,3,6, 11.12, 13), In the
most thorough review to date by DeBakey and Ochsner in
1938, the incidence of small bowel obstruction due to
trichobezoar was 10,8% (27% with phytobezoar), The
overall mortality rate was 19,1% with trichobezoar while
in case of small bowel obstruction mortality rates rose to
47%, Drugs ma) get entrapped in bezoar and result in de
la)ed reiease, which can precipitate toxicity (18),
Summar)
Although known for centuries, bezoars continue to
present diagnostic and therapeutic challenges for the
surgeon, Bezoars have become increasingly recognized as
a cause of intestinal obstruction. The current treatment
and long term management depend upon identification of
the nature and knowledge of the pathophysiology of each
beloa", Bezoars should preferably be recognised prior to
the development of perforation and peritonitis and treated
appropriatcly to minimise morbidity and mortality. Most
attcmpts at endoscopic removal oftrichobezoars have failed
and hence the preferred treatment is surgical, If feasible,
the bezoar mal be removed through a single enterotomy,
Ilo\\'cver. if there is evidence of mesenteric necrosis or
scaled off perforations, it is suggested that multiple
enterotomies be used to reduce tension placed in mesenteric
border \\hen removing the mass (12, 13), After removal,
ofthe bezoar rest of the bowel should be carefully examined
for all) missed perforation or residual bezoar.
Psychiatric evaluation is essential to prevent recurrence
as underlying psychological and emotional disturbance may
be a factor in trichophagia or trichotillomania,
Vol. 4 No. 4. October~Decell\ber 2002
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