GIT obstructions .pdf clinical presentations

Git obstruction

1. Esophageal Gastric Duodenal Small Intestinal Large Intestinal
Congenital
HerniaCongenital
Congenital
Duplication
Pyloric stenosis:
Congenital (infantile),
acquired (adult)
Atresia
Congenital
Duplication
Meconium ileus
Internal
Diaphragmatic
External: Inguinal,
femoral, ventral
(rarely–obturator
lumbar, sciatic or
perineal)
Neurogenic:
degenerative, neoplastic
or traumatic, C.N.S.
lesions
Duplication
Imperforate anus Megacolon
(aganglionosis)
Duplication
Atresia
Atresia
Small and large
intestinal reflex,
paralytic,
adynamic

Hernia Volvulus Foreign body Congenital Stricture
Compression, torsion, angulationForeign body Intussusception IatrogenicNeoplasm Cicatricial stenosis
Neoplasm
Neoplasm
Secondary–invasion and/or pressure
Stricture
Achalasia
Torsion
Aſter
surgical
anastomosis
Anastomosis of
incorrect loops
Regional
enteritis
Pedunculated
polyp
Entero-
enteric
Ileocolic
Ascaris
Gallstone ileus
(rarely–ingested
foreign body)
Primary
carcinoma
Metastatic
implants:
invasion,
compression,
angulation,
torsion
Fibrosis
following
strangulated
hernia or
localized
mesenteric
thrombosis
Mucosal web;
Plummer-Vinson
syndrome
Pylorospasm:
Idiopathic,
following vagotomy,
due to peptic ulcer
Superior
mesenteric
artery
syndrome
Pyloric stenosis:
Due to chronic ulcer
Foreign body,
including
bezoar
Cardio–
esophageal
cancer
Pyloric
cancer
Foreign
body
Chemical
(lye)
Peptic
stenosis Primary
carcinoma
Mediastinal
pressure
and/or
invasion
Adhesive bands:
postoperative,
postinflammatory,
congenital
Adhesive
peritonitis;
tuberculosis,
talc granuloma
Meckel's
diverticulum
ExternalDiaphragmaticCecal
Bile
Pus
Blood
PeritonitisRetroperitoneal hemorrhage
Ruptured aortic aneurysm
Fractured spine, pelvis
Pancreatic
juice
Sigmoid
Primary
carcinoma
Secondary invasion
and/or pressure
Ulcerative
colitis
Renal colic
Coronary
thrombosisBiliary colic
Pneumonia
Lymphopathia
venereum
Surgical
anastomotic
stenosis
Fecal impaction
or rectally
inserted
foreign
body
Postoperative or postanesthetic
Annular
pancreas
Neoplasm
Pancreatic
cancer
Malignant
mesenteric
nodes
Primary
carcinoma
(rare)
ACQUIRED CAUSES OF OBSTRUCTION
Overview of Digestive Tract Obstructions
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