Abscess Subhepatic

Subhepatic abscess is a purulent inflammation of the subcutaneous tissue of the abdomen, limited to slightly expressed adhesions.

**Etiology and pathogenesis**

Predisposing factors are trauma, previous surgical interventions on the abdominal organs, the presence of acute or chronic inflammatory processes in the body. When inflammation occurs, dilatation of tissue vessels develops, hemorrhage occurs, accumulation of blood in the venous capillary bed, which causes irritation of the vessel walls by endothelial cells, the occurrence of fibrinoid changes and the onset of inflammatory manifestations. The walls of the capillaries are destroyed, exudation occurs throughout the subcutaneous tissue, body temperature rises and compaction of the exudate occurs in the form of an accumulation of pus. The infection, penetrating deep into the tissues with subsequent inflammation, lingers in the tissues, which is the main reason for the development of an abscess. Swelling and hyperemia of the periauricular tissue occurs. The proliferation of microbes and exclusion of the lymphatic capillaries and lymphatic system from the inflammatory process lead to the development of an abscess. The exudate that fills the cavity of the purulent formation causes an increase in pressure in the periauric region and stretches the surrounding tissue. Below, the abscess communicates with the lumen of the interfascial gaps, which creates conditions for spread to neighboring organs and general infiltration of surrounding tissues. A decrease in enzymatic processes leads to a softening of the fibrous tissue and the spread of the abscess from the bottom through its upper edge, the epiphysis - along the intermuscular substance to the wall and further along the fascia to the skin with the surface of the scar on the side of the shoulder. When an abscess is localized under the diaphragm, pus penetrates into