SUMMARYThirteen patients are described in whom strangulated external hernia was associated with generalized peritonitis. T h e causes of this combination are discussed.Although the features of peritonitis are usually quite distinguishable from those of an uncomplicated strangulated hernia, in virtually all the cases previously reported in the literature the presence of peritonitis was not recognized until operation for the hernia was undertaken. Increased awareness of this complication and a conscious effort to exclude it resulted in the correct preoperative diagnosis i n 4 of our patients. When the peritonitis is recognized preoperatively it is suggested that a laparotomy should be performed to deal with the intraperitoneal lesion, and that the associated groin hernia should be repaired by a preperitoneal approach through the laparotomy incision. (1959) drew attention to the occasional occurrence of a collection of pus in a n empty hernial sac i n the course of a generalized peritonitis. T h e y reported 5 cases of their own and reviewed another 27 instances collected from the world literature, all of which were diagnosed preoperatively as strangulated hernia. Maurath and Frauke (1966), in their review, stated that failure to recognize the associated acute abdominal disease in such cases results in a mortality of 60-70 per cent.
CRONIN and EllisAt Mulago Hospital, Kampala (the National Hospital of Uganda), strangulated external hernia is by far the commonest emergency surgical condition (McAdam, 1961), and in a review of the cases seen in the past 2 years three different causes of the combination of strangulated hernia and peritonitis were encountered in g patients. Recently a special effort has been made to recognize the presence of peritonitis in patients presenting with strangulated hernia, and this has resulted in a correct preoperative diagnosis being made in 4 patients. T h i s paper presents these two :groups of patients and discusses the problem of preoperative diagnosis and treatment.
CASE REPORTSCase r.-N.A., a 40-year-old female, had had an umbilical swelling for 3 months. Four days before admission she developed severe colicky pain at the umbilicus which later became generalized and was associated with progressive abdominal distension. On examination. her temperature was 38.2" C., pulse-rate IOO per minute, and blood-pressure 100/70mm. Hg. There was generalized abdominal distension and tenderness, and a tender irreducible umbilical hernia, 5 cm. in diameter, was present.At operation the umbilical hernia contained strangulated omentum, but thin greenish pus poured out of the peritoneal cavity. The incision was then extended and exploration of the abdomen revealed a generalized peritonitis resulting from a ruptured right tubo-ovarian abscess. The pus was drained and the abdomen was closed with drainage to the pouch of Douglas. The patient made a steady recovery, although she developed severe wound infection. Secondary suture was performed on the twentyfirst postoperative day.Case 2.-G. M., a 48-year...