productive peritonitis

pach·y·per·i·to·ni·tis

(pak'ē-per'i-tō-nī'tis), Obsolete term for inflammation of the peritoneum with thickening of the membrane. Synonym(s): productive peritonitis [pachy- + peritonitis]

productive peritonitis

Peritonitis with fibrosis; e.g., fibrous mesothelioma or fibrosing peritonitis.