Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector5920810.17816/kazmj59208EditorialUnderdevelopment of the mesentery of the small intestine and sigmoid colon and perforated gastric ulcerIshkineevI. G.info@eco-vector.com2905196748365662401202124012021Copyright © 2021, Ishkineev I.G.2021<p>T., 36 years old, entered 19 / II 1965, 4 hours after sudden pain in the epigastric region, with complaints of severe abdominal pain, nausea. Twice there was vomiting. Previously, there were no abdominal pains.</p>Kazan Medical archiveКазанский медицинский архив