Development of gastric dysfunction in dermatitis herpetiformis

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Abstract
In order to study the development of atrophic gastritis, gastric secretory function was examined by a standard pentagastrin test 24 to 78 months after a previous examination (Ex I). The study included 12 patients with dermatitis herpetiformis (DH), 6 patients with functional signs of atrophic gastritis previously, and 8 healthy controls. The surrent examination (Ex II) also included microbiological culture of gastric juice and estimation of gastrin(s), parietal cell and thyroidal antibodies. Most of the controls had increased their maximum acidity and maximum acid output (MAO) between the examinations. This may indicate an altered potency of pentagastrin in recent years. Conversely, 5 of the 6 patients with atrophic gastritis showed a further reduction of maximum acidity and MAO, indicating progressive parietal cell atrophy. In the DH-group, two tendencies were observed: 6/12 patients had an increased MAO at Ex II. They had had lower mean age and higher mean MAO at Ex I, as compared with the remaining 6 patients who had a decreased MAO at Ex II. The latter group more often had parietal cell antibodies.