Idiopathic myointimal hyperplasia of the mesenteric veins, an uncommon cause of intestinal ischemia

Morales, Pedro López; Valverde, Francisco Miguel González; Francés, Clara Giménez; Quirante, Francisco Pastor; Marín-Blázquez, Antonio Albarracín

doi:10.17235/reed.2022.8654/2022

Cited by 2 publications

(3 citation statements)

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“…[10][11][12][13][14][15][16][17] Severe IMHMV can lead to potentially life-threatening complications such as bowel obstruction and perforation. 1,[18][19][20][21] In this case, we highlight the possibility of diagnosing IMHMV early using mucosal biopsies, which, to our knowledge, is only the second time the diagnosis has been suspected based on histopathologic examination of endoscopic biopsies rather than a gross surgical specimen. 7 A recent study showed 3 specific small vessel histopathologic findings from mucosal biopsies and resections that help distinguish IMHMV from other ischemic or vasculitic colitides.…”

Section: Discussionmentioning

confidence: 92%

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Ischemic Colitis Due to Idiopathic Myointimal Hyperplasia of the Mesenteric Veins

et al. 2023

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Idiopathic myointimal hyperplasia of the mesenteric veins (IMHMV) is a rare and poorly understood noninflammatory ischemic colitis. First reported by Genta and Haggitt in 1991, the disease typically presents with chronic abdominal pain, weight loss, and diarrhea with or without hematochezia in middle-aged men. IMHMV is frequently misdiagnosed as an inflammatory bowel disease. The pathophysiology of IMHMV involves the proliferation of the intimal smooth muscle in mesenteric veins leading to bowel ischemia. The etiology of this process remains unknown. There are no good medical therapies for IMHMV, and surgical resection, a curative intervention, is typically required to make the diagnosis. We present the case of a 66-year-old man with IMHMV diagnosed with endoscopic biopsies.

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Section: Discussionmentioning

confidence: 92%

“…10–17 Severe IMHMV can lead to potentially life-threatening complications such as bowel obstruction and perforation. 1,18–21…”

Section: Discussionmentioning

confidence: 99%

Ischemic Colitis Due to Idiopathic Myointimal Hyperplasia of the Mesenteric Veins

et al. 2023

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“…The small intestine was affected in seven cases, including one case in the jejunum and six in the terminal ileum. Recently, an extremely rare case of IMHMV was reported with extensive involvement from rectum to the small intestine ( 30 ). The patient was operated several times due to anastomotic leakages and perforations and a duodenostomy was performed.…”

Section: Discussionmentioning

confidence: 99%

Idiopathic Myointimal Hyperplasia of the Mesenteric Veins: A Case Report and Scoping Review of Previously Reported Cases From Clinical Features to Treatment

Shu

Zhang

et al. 2022

Front. Med.

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Idiopathic myointimal hyperplasia of the mesenteric veins (IMHMV) is a rare and poorly understood disease. It is characterized by non-thrombotic and non-inflammatory occlusion of the mesenteric veins secondary to intimal smooth muscle hyperplasia. The etiology of IMHMV is unknown, and its clinical presentations include abdominal pain, bloody diarrhea, and weight loss. IMHMV is commonly mistaken for inflammatory bowel disease because of the similarity in symptoms and endoscopic findings. Herein, we report the case of a 64-year-old man with IMHMV and present an overview of all reported cases of IMHMV. In this review, we analyzed 70 cases to summarize the etiology, clinical manifestations, and diagnosis of IMHMV and hope to raise clinicians’ awareness of this entity.

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Idiopathic myointimal hyperplasia of the mesenteric veins, an uncommon cause of intestinal ischemia

Cited by 2 publications

References 2 publications

Ischemic Colitis Due to Idiopathic Myointimal Hyperplasia of the Mesenteric Veins

Ischemic Colitis Due to Idiopathic Myointimal Hyperplasia of the Mesenteric Veins

Idiopathic Myointimal Hyperplasia of the Mesenteric Veins: A Case Report and Scoping Review of Previously Reported Cases From Clinical Features to Treatment

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