RT Journal A1 DOONER HP, ALIAGA C T1 PAinless acute necrotic pancreatitis JF Archives of Internal Medicine JO Archives of Internal Medicine YR 1965 FD December 1 VO 116 IS 6 SP 828 OP 831 DO 10.1001/archinte.1965.03870060026006 UL http://dx.doi.org/10.1001/archinte.1965.03870060026006 AB SINCE THE first comprehensive study of acute pancreatitis made by Fitz 1 in 1889, most descriptions of the disease cite pain as the outstanding symptom.2-15 Only recently has attention been drawn to certain unusual forms of pancreatitis without pain,16 and in at least two studies mention is made of acute painless pancreatitis.17,18 The purpose of this communication is to report two such cases studied in the course of the last seven years.Report of Cases  Case 1.  —A 22-year-old white man was hospitalized in December 1956 for tonsillectomy. Past history revealed only tonsillitis in the preceding five years. His alcoholic intake was moderate and occasional. He denied previous symptoms attributable to the digestive tract. Physical examination was normal, showing only undernourishment, and all the laboratory studies were normal.On Dec 11, 1956, tonsillectomy was performed with local anesthesia. The immediate postoperative course was uneventful. The patient was