Pathological processes in the SIGMOID COLON region of the large intestine (INTESTINE, LARGE).

A segment of the COLON between the RECTUM and the descending colon.

Tumors or cancer of the SIGMOID COLON.

A twisting in the intestine (INTESTINES) that can cause INTESTINAL OBSTRUCTION.

Inflammation of the COLONIC DIVERTICULA, generally with abscess formation and subsequent perforation.

A pouch or sac opening from the COLON.

Large endothelium-lined venous channels situated between the two layers of DURA MATER, the endosteal and the meningeal layers. They are devoid of valves and are parts of the venous system of dura mater. Major cranial sinuses include a postero-superior group (such as superior sagittal, inferior sagittal, straight, transverse, and occipital) and an antero-inferior group (such as cavernous, petrosal, and basilar plexus).

The surgical construction of an opening between the colon and the surface of the body.

Opening or penetration through the wall of the INTESTINES.

Any impairment, arrest, or reversal of the normal flow of INTESTINAL CONTENTS toward the ANAL CANAL.

Excision of a portion of the colon or of the whole colon. (Dorland, 28th ed)

The fold of peritoneum by which the COLON is attached to the posterior ABDOMINAL WALL.

Pathological processes in the COLON region of the large intestine (INTESTINE, LARGE).

Endoscopic examination, therapy or surgery of the luminal surface of the colon.

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Accumulation of purulent material in tissues, organs, or circumscribed spaces, usually associated with signs of infection.

An abscess located in the abdominal cavity, i.e., the cavity between the diaphragm above and the pelvis below. (From Dorland, 27th ed)

A circumscribed collection of purulent exudate in the brain, due to bacterial and other infections. The majority are caused by spread of infected material from a focus of suppuration elsewhere in the body, notably the PARANASAL SINUSES, middle ear (see EAR, MIDDLE); HEART (see also ENDOCARDITIS, BACTERIAL), and LUNG. Penetrating CRANIOCEREBRAL TRAUMA and NEUROSURGICAL PROCEDURES may also be associated with this condition. Clinical manifestations include HEADACHE; SEIZURES; focal neurologic deficits; and alterations of consciousness. (Adams et al., Principles of Neurology, 6th ed, pp712-6)

Solitary or multiple collections of PUS within the liver as a result of infection by bacteria, protozoa, or other agents.

That portion of the body that lies between the THORAX and the PELVIS.