M Varela Vega y col.Tríada de Rigler. Rev Argent Cirug 2020; 112(2):203-204
Resultados: con diagnósꢁco de oclusión intesꢁnal por mecánica. El diagnósꢁco surge de la clínica e imageno-
cálculo biliar impactado en intesꢁno delgado se decide logía. La tríada de Rigler es patognomónica, aunque
cirugía de urgencia, mediante laparotomía, enteroto- solo se ve en un 30% de los casos. El tratamiento es qui-
mía y extracción del cálculo, y cierre de la enterotomía rúrgico, centrado en levantar la oclusión, sin abordaje
en senꢁdo transversal. Buena evolución posoperatoria del polo biliar, ya que la inflamación crónica expone a
y alta a los 4 días.
lesiones de la vía biliar principal y a una eventual ꢂstula
Conclusiones: el íleo biliar es una rara causa de oclusión duodenal de diꢂcil manejo.
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ENGLISH VERSION
Background: gallstone ileus is a rare compli- 2, a large gallstone occludes the distal small bowel (un-
caꢁon of cholelithiasis. It is defined as a mechanical fortunately, the three components of Riger’s triad could
obstrucꢁon of the small bowel due to impacꢁon of not be observed in the same tomographic secꢁon).
large gallstones into the gastrointesꢁnal tract, genera-
lly though a cholecystoduodenal fistula. Rigler’s triad caused by an impacꢁon of a gallstone within the lu-
pneumobilia, ectopic gallstone and mechanical obs- men of the small intesꢁne, urgent surgery was decided
Results: with a diagnosis of bowel obstrucꢁon
(
trucꢁon) occurs in 30% of the paꢁents. Surgery is indica- through laparotomy, enterotomy, gallstone removal
ted and includes enterotomy with gallstone extracꢁon. and transverse closure of the enterotomy. The paꢁent
Objecꢁve: we report a case of gallstone ileus had favorable postoperaꢁve outcome and was dischar-
with radiographic evidence of Rigler’s triad.
ged four days later.
Conclusions: gallstone ileus is a rare cause
Case report: an 87-year old paꢁent was admit-
ted with bowel obstrucꢁon which started some days of mechanical obstrucꢁon. The diagnosis is based on
before, with profuse emesis with intesꢁnal content, clinical symptoms and imaging tests. Rigler’s triad is
absence of bowel movements, abdominal pain, and pathognomonic of this condiꢁon but only occurs in 30%
high-pitched and frequent bowel sounds. A diagnosis of the cases. Surgical treatment is mandatory to release
of mechanical obstrucꢁon was made, and a computed the obstrucꢁon avoiding the biliary pole, as the chronic
tomography scan was ordered to evaluate the eꢁology. inflammaꢁon predisposes to lesions of the main bile
Figure 1 shows pneumoblia and distension of duct and to an eventual duodenal fistula with difficult
bowel loops without distension of the colon. In figure management.
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FIGURE 1
■ FIGURE 2
Nonenhanced mulꢁslice computed tomography scan showing pneumo-
blia (white arrow) and distension of bowel loops (white arrowhead).
Nonenhanced mulꢁslice computed tomography scan. showing ctopic
lithiasis in the distal loops of jejenum (white arrow)