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Case Study
- Pulmonary Arteriovenous Fistula: Clinical and Histologic Spectrum of Four Cases
- Soomin Ahn, Joungho Han, Hong Kwan Kim, Tae Sung Kim
- J Pathol Transl Med. 2016;50(5):390-393. Published online May 9, 2016
- DOI: https://doi.org/10.4132/jptm.2016.04.18
- 9,091 View
- 189 Download
- 6 Web of Science
- 6 Crossref
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Abstract
PDF - Pulmonary arteriovenous fistula (PAVF) is abnormally dilated vessels that provide a right-to-left shunt between pulmonary artery and pulmonary vein and is clinically divided into simple and complex type. Here, we report four cases of surgically resected sporadic PAVFs presenting various clinical and histologic spectrums. Cases 1 (a 57-old-female) and 2 (a 54-old-female) presented as incidentally identified single aneurysmal fistulas and the lesions were surgically removed without complication. On the other hand, case 3 (an 11-old-male) showed diffuse dilated vascular sacs involving both lungs and caused severe hemodynamic and pulmonary dysfunction. Embolization and surgical resection of the main lesion failed to relieve the symptoms. Case 4 (a 36-old-male) had a localized multiloculated cyst clinically mimicking congenital cystic adenomatoid malformation. Microscopically, the lesion consisted of dilated thick vessels, consistent with the diagnosis of fistulous arteriovenous malformation/hemangioma.
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Citations
Citations to this article as recorded by
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Case Reports
- Arteriovenous Malformation of the Uterus: A case report.
- Mi Seon Kwon, Seok Jin Kang, Byung Kee Kim, Sun Moo Kim, Sang In Shim
- Korean J Pathol. 1996;30(10):943-946.
- 2,163 View
- 55 Download
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Abstract
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- Arteriovenous malformation of the uterus is rarely encountered. It is potentially lethal because of profuse, uncontrollable bleeding at the time of diagnostic dilatation and curettage. To our knowledge, only 38 cases of localized uterine arteriovenous malformation have been reported in English and Korean literature. Recently we experienced a case of uterine arteriovenous malformation in a 28-year-old multiparous woman. Under the clinical impression of uterine tumors or arteriovenous malformation, a total hysterectomy was done. Gross examination demonstrated a vascular nature of the mass in the posterior wall of the fundus. Microscopically, there was an ill-defined mass composed of numerous irregular, anastomosing large vessels with various diameters.
- Synchronous Development of Gastrointestinal Stromal Tumor and Arteriovenous Malformation in the Jejunum: A Case Report.
- Sang Hwa Shim, Yoon Hee Han, Ji Eun Kwak, Sun Hee Chang, Hanseong Kim, Je G Chi, Mee Joo
- Korean J Pathol. 2008;42(3):185-188.
- 1,949 View
- 20 Download
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Abstract
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- Vascular malformations associated with neoplasms are extremely rare. Herein we report an extraordinary coincidence of arteriovenous malformation (AVM) and gastrointestinal stromal tumor (GIST) in the jejunum. A 44-year-old woman presented with melena and anemia. Abdominal computed tomography revealed a highly vascularized, strong early arterial enhancing soft tissue mass in the jejunum, which was confirmed by angiography to be an AVM supplied by the distal jejunal branch of the superior mesenteric artery. An emergency operation was performed due to active gastrointestinal (GI) bleeding. The resected jejunum showed a protruding, mostly solid subserosal mass. The mass was confirmed to be a spindle cell type GIST and was intermingled with the AVM located in the overlying submucosa and muscularis propria. To our knowledge, this is the first reported case of an AVM associated with a GIST. This case masqueraded radiologically as an AVM alone and presented clinically with GI bleeding.
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