Intraperitoneal causes of abdominal pain

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

## Intraperitoneal Causes of Abdominal Pain

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### Inflammatory Intraperitoneal Causes of Acute Abdominal Pain

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#### Peritoneal

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* Bacterial peritonitis
* Perforated hollow viscus
* Primary peritonitis (Pneumococcal, streptococcal, tuberculous; spontaneous bacterial peritonitis)
* Chemical and nonbacterial peritonitis
* Perforated peptic ulcer/biliary tree, pancreatitis, ruptured ovarian cyst, mittelschmerz

#### Hollow Visceral

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* Appendicitis
* Cholecystitis
* Colitis (bacterial, amebic)
* Diverticulitis
* Duodenitis
* Gastritis
* Gastroenteritis
* Inflammatory bowel disease
* Meckel diverticulitis
* Peptic ulcer

#### Solid Visceral

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* Abscess (pancreatic, hepatic, splenic, etc.)
* Hepatitis
* Pancreatitis

#### Mesenteric

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* Epiploic appendagitis
* Lymphadenitis (bacterial, viral)

#### Pelvic

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* Endometritis
* Pelvic inflammatory disease (salpingitis)
* Tubo-ovarian abscess

### Mechanical Intraperitoneal Causes of Acute Abdominal Pain

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#### Hollow Visceral

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* Intestinal obstruction
* Adhesions
* Bezoars
* Foreign Bodies
* Gallstone Ileus
* Hernias
* Intussusception
* Neoplasms
* Parasites
* Volvulus

* Biliary obstruction
* Calculi
* Choledochal cyst
* Hemobilia
* Neoplasms

#### Solid Visceral

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* Acute splenomegaly
* Acute hepatomegaly (congestive heart failure, Budd-Chiari syndrome)

#### Mesenteric

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* Omental torsion

#### Pelvic

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* Ectopic pregnancy
* Ovarian cyst
* Torsion or degeneration of fibroid

#### Hemoperitoneum

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* Ruptured aortic or visceral aneurysm
* Ruptured ectopic pregnancy
* Ruptured graafian follicle
* Ruptured hepatic neoplasm
* Ruptured mesentery
* Ruptured uterus
* Spontaneous splenic rupture

#### Ischemic

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* Hepatic infarction (toxemia, purpura)
* Mesenteric thrombosis
* Omental ischemia
* Splenic infarction
* Strangulated hernia

## References

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Template:Gastroenterology

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