Anatomical orientation

Etiological classification

Acute common diseases

1) Local

Peritoneal cavity


Gastritis, enteritis, pancreatitis, hemorrhagic necrotizing enteritis, cholecystitis, purulent obstructive cholecystitis, etc.; reflux esophagitis, spontaneous peritonitis; urinary tract infection.

Viscera rupture

Liver rupture, spleen rupture, etc.; perforation of stomach and duodenal ulcer.

Obstruction of hollow viscera

Intestinal obstruction, biliary stone, biliary ascariasis, obstruction of kidney and ureter stones, etc.; volvulus, mesentery or torsion of the omentum

Intra-abdominal vascular lesion

Mesenteric artery embolism, splenic embolism, renal embolism, aneurysm of abdominal acute renal infarction, etc.

Abdominal wall

Abdominal wall

Abdominal wall diseases such as abdominal wall contusion, abscess, and herpes zoster on the abdominal wall

2) Adjacent

Cardiopulmonary diseases and spinal lesions

Angina, myocardial infarction, acute pericarditis, pneumonia, URTI, pulmonary infarction, pleurisy, hiatus hernia, thoracic vertebrae tuberculosis or tumor

3) Systemic

Systemic diseases

Such as abdominal allergic purpura, abdominal epilepsy, uremia, hematoporphyria, SLE, and poisoning.

4) Psychogenic


Abdominal pain neurosis

5) Female reproductive system

Gynecological disease

Ectopic pregnancy and ovarian rupture, ovarian cyst torsion, and ovarian bleeding