Valakada J, Madhusudhan KS et al. [1] |
59-years-old woman |
duodenum, jejunum, mesentery and retroperitoneum |
marked thickening of the small bowel loops in the duodenum and jejunum and multiple tubular channels in the mesentery and retroperitoneum hyperintense on T2-weighted images |
lymphangectasia |
recurrent abdominal pain, multiple episodes of melena, pedal edema, pallor and mild hepatosplenomegaly |
abdominal magnetic resonance imaging (MRI), abdominal ultrasonography, double-balloon enteroscopy and biopsy |
conservative management: low-fat and high-protein diet |
|
Lin RJ, Zou H et al. [2] |
38- year-old female |
fundus of the stomach, peripancreatic area, mesenteric area, retroperitoneal space of the spleen, right upper quadrant of the greater omentum |
multiple small cystic lesions without enhancement (TC), multiple cystic dark areas (abdominal ultrasonography) |
submucosal microscopic cysts of lymphatic channels with walls composed of thin fibrous tissue |
melena for 3 months, weakness for 10 days, hemoptysis for 4 months |
computed tomography, abdominal ultrasonography, biopsy |
distal gastric resection and Billroth II-type anastomosis |
she continued to present melena, iron deficiency anemia and hypoproteinemia after the surgery |
Jung SW, Cha JM et al. [7] |
31-years-old woman |
ascending colon, from the cecum to the hepatic flexure |
multiple thumbprint-like lesions on the air contrast barium enema; clusters of round submucosal tumors with smooth surface, without ulcerations or erosions and positive to the cushion sign on the colonscopy; the EUS showed echo free cysts with a clear border and septal walls in the sbmucosal layer |
submucosal cysts lined by endothelial cells, serous liquid resembling lymphatic fluid, with occasional multinucleated cells and without fat or blood cell components |
|
air contrast barium enema, colonscopy, EUS and endoscopic biopsy |
the patient was not treated with invasive treatment because she was asymptomatic |
|
Rai P, Rao RN et al. [10] |
31-years-old man |
small bowel and small bowel mesentery starting from mid-jejunum to ileocecal junction |
protruding submucosal lesions on the colonscopy, cystic lesions on the CT |
multiple irregular dilated space lined by endothelial cells with lymphoid aggregates, filled with acellular proteinacious material and no evidence of malignant cells |
recurrent melena for the last 8 years and iron deficiency |
colonscopy, capsule andoscopy, contrast-enhanced CT, laparatomy with intraoperative endoscopy and endoscopic biopsy |
limited ileocecal resection, end ileostomy and distal mucus fistula. After few days continuity was restored. |
no gastrointestinal bleed, haemoglobin and albumin were normalised |
Hwang SS, Choi HJ et al. [11] |
71-year-old man |
jejunal and adjacent mesentery |
multiple nodular mesenteric masses infiltrating into the jejunum and adjacent mesentery; multiloculated cystic lesion from the mucosa to the subsierosa |
numerous multiloculated, cystically dilated spaces lined by attenuated endothelium that appeared to dissect through the muscolaris propria of the small intestine with inside fluid containing lymphocytes |
|
computed tomography, 18FDG PET/CT, biopsy |
complete surgical resection of the segment involving the lesions |
|
Ilhan M, Oner G et al. [12] |
43-years-old woman |
ileum and jejunum |
diffuse wall thickness (CT) |
expanded cystic vascular lesions, partly extending to the intestinal mucosa and subserosa |
weakness, swelling in leg, weight loss, pretibial edema and recurrent upper respiratory infections |
colonscopy, abdominal ultrasound, computed tomography, PET-CT and biopsy |
resection of the affected part of ileum and end-to-end anastomosis; lymph node in the mesentery of 35–45 cm to the proximal terminal ileum were excised |
after 1 month surgery pretibial edema was non seen, protein and albumin increased |
Chung WC, Kim HK et al. [13] |
48-years-old man |
proximal transverse colon |
several protruding mucosal lesions covered with normal mucosa on the colonscopy |
cystic lesions with a lumen covered by a single layer of flat endothelial cells |
abdominal discomfort and anemia |
colonscopy, abdomen CT, biopsy |
endoscopic mucosectomy |
the patient had abdominal pain and anemia when he was followed up 3 month after musectomy |
Lee JS, Kim GW et al. [14] |
38 year-old man for a general check-up |
mid-portion of the ascending colon up to the proximal portion of the tansverse colon |
variably sized cystic mass lesions |
normal colonic mucosa and markedly dilated lymphatic vessels in the submucosa positive at immunohistochemical staining for CD34 and D2-40 (marker of vascular endothelium and lymphatic endothelium) |
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chest and abdominal radiography, esophagogastroduodenoscopy, colonscopy, abdominal ultrasonography, CT and biopsy |
several incisions and excisional biopsies |
no complications such as bleeding or protein-losing enteropathy were noticed |
Fang JF, Qiu LF et al. [15] |
57-years-old woman |
small intestine, 30 cm distal to the flexor tendon |
mass with ulcers and erosion approximately of 5 cm × 4 cm |
intrinsic layer of dilated lymphatic vessels and a small amount of interstitial neutrophil, eosinophil, plasma cell infiltration |
recurrent melena for more than 2 months |
gastroscopy, enteroscopy, and biopsy |
partial resection of the small intestine |
during the follow-up no recurrence was observed |
Dong A, Zhang L et al. [16] |
22-years-old female |
mesentery and ileum |
mass involving mesentery and ileum with nodules in the mass |
proliferation and dilation of the mucosal lymphatic, containing a large amount of red blood cells. The cells were positive for CD31, CD34 and D2-40. Ki-67 was about 1%. |
9-month history of intermittent melena, weakness and palpitation |
abdominal MR, abdominal CT, PET-CT and biopsy |
resection of the abdominal mass and a segment of 60 cm of the ileum invaded by the abdominal mass |
after surgery symptoms improved and follow-up laboratory tests showed normal red blood cell count and hemoglobin level |
Lu G, Li H et al. [17] |
79-year-old man |
sigmoid colon |
multiple cystic masses (colonscopy), with spetal walls in the submucosal layer |
cysts located in the submucosal layer surrounded by flat endothelial cells that were positive for D2-40 at the immunoistochemistry |
intermittent attacks of bowel bleeding and abdominal discomforts for 3 months |
colonscopy, endoscopic ultrasound and biopsy |
laparoscopy-assisted partial sigmoid colon resection |
in the 2-year follow-up after the operation, no bleeding or other complications were noticed |
Xue L, Guo WG et al. [18] |
58-year-old man |
lower esophagus |
longitudinally protruding mass covered with normal esophageal mucosa and a lesion outside but adjacent to the wall of the esophagus |
multiple dilated lymphatic vessels of a different sizes filled with pink beneath squamous epithelium |
dysphagia of 7 months |
esophagogastroscopy, esophageal ultrasonography, chest CT and biopsy |
a right lateral thoracotomy was performed fot the resection of the cysts, first the lesion outside and than that protruding in to the esophageal lumen |
the postoperative course was uneventful and at the patient was discharged on th 10th postoperative day |