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Biomedical subjects

M Nyst

Publications and source records attributed to M Nyst.

6 recordsLinked to original sources
PubMed1976

Direct method for estimating the total gastrin cell number in the stomach of rats.

An original and simple method for counting the total G cell number in the stomach of small rodents is described. Staining the G cells with the peroxidase-antibody technique and counterstaining the nucleus make it possible to correct the nuclear overestimation. Counting directly the total number of G cells in sections from the entire stomach avoids errors due to tissue retraction and to unprecise delineation of the antro-fundic limit.

Animals↗
PubMedDate not supplied

Left paraduodenal hernia: a case report.

Congenital internal hernias often remain unrecognized since they are infrequent and produce nonspecific abdominal symptoms. Abdominal imaging during a symptomatic episode leads to the diagnosis. Surgical treatment is essential regarding the risks of incarceration. We report a case of left paraduodenal hernia misdiagnosed for over thirty years despite extensive imaging and surgical exploration.

Abdominal Pain↗
PubMedDate not supplied

Intra-abdominal lymphatic malformation.

Intra-abdominal lymphangioma is a rare congenital lymphatic vascular malformation. It is found, most commonly, in adult patients who present with abdominal pain, and whom medical imaging (ultrasound, endoscopy and tomography) reveals a cystic intra-abdominal mass. Such masses may be on the mesentery, in contact with abdominal viscera or may be part of the visceral wall. Diagnosis of intra-abdominal lymphangioma is difficult because of its rarity, and because other pathologies may have the same radiological signs. The diagnosis is confirmed by anatomopathological examination with immunohistochemistry. The treatment is complete surgical excision, in order to prevent recurrence.

Abdominal Neoplasms↗