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Pancreatic Volume and Endocrine and Exocrine Functions in Patients With Diabetes

Philippe, Marie-France MD*†; Benabadji, Salim MD†‡; Barbot-Trystram, Laurence MD§; Vadrot, Dominique MD†‡; Boitard, Christian MD*†; Larger, Etienne MD, PhD*†∥

doi: 10.1097/MPA.0b013e3182072032
Original Articles

Objective: Exocrine function has been described in patients with diabetes. We hypothetized that patients with exocrine dysfunction have pancreatic atrophy.

Methods: This is a cohort study of hospitalized patients. Thirty-five patients were selected after detection of impaired exocrine function in routine tests, and 17 patients were matched for age and body mass index to the previous cohort. The pancreatic volume was evaluated on sections of computed tomographic scans of the pancreas. Other investigations included a glucagon stimulation test and determination of fecal elastase-1 concentration and chymotrypsin activity.

Results: Fifty-two patients participated in this study, 24 with type 1 diabetes and 28 with type 2 diabetes. Duration of diabetes was 15 years (5-26 years; median [interquartile range]). The pancreatic volume, 42 cm3 (25-57 cm3), was decreased in most patients. It did not differ in patients with type 1 diabetes compared with those with type 2 diabetes. It was decreased in patients treated with insulin and in those with low elastase-1 concentration or low chymotrypsin activity. In the multiple linear regression analysis, the pancreatic volume correlated with chymotrypsin activity and stimulated C-peptide.

Conclusions: We have unraveled a link between 2 old observations in patients with diabetes: atrophy of the pancreas and exocrine deficiency. These observations give credence to the reality of the exocrine dysfunction in patients with diabetes.

From the *Service de Diabétologie, Hôtel Dieu de Paris, APHP; †Université Paris 5, René Descartes; ‡Service de Radiologie, Hôtel Dieu de Paris; §Laboratoire de Coprologie Fonctionnelle, Hôpital de la Pitié-Salpétrière, APHP; and ∥INSERM U833, Collège de France, Paris, France.

Received for publication May 26, 2010; accepted October 15, 2010.

Reprints: Etienne Larger, MD, PhD, Service de Diabétologie, Hôtel Dieu, 1, Place du parvis de Notre Dame, F-75004 Paris, France (e-mail:

M.-F.P. and S.B. contributed equally to this work.

M.-F.P. is now with the Service de diabétologie-endocrinologie, Grand Hôpital de Charleroi, Gilly, Belgium.

© 2011 Lippincott Williams & Wilkins, Inc.