Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0027960 (mole)
 21,279 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Tactile corpuscle-like bodies (TCLB) are microscopic Schwannian structures that simulate the superficial mechanoreceptors of the peripheral nervous system (Wagner-Meissner corpuscles). They have been described nearly exclusively in peripheral nerve sheath tumors, namely diffuse neurofibromas, and schwannomas but also in cellular nevi. There are rare reports of these structures in the gastrointestinal tract (predominantly the lower tract), with the presumption that they are incidental reactive neural proliferations. We compiled 9 cases showing this rare phenomenon in gastrointestinal-type mucosa in nonsyndromic patients to further characterize its features. There were 6 men and 3 women (age range, 39 to 79 y, mean 56 y) with lesions involving esophagus/gastro-esophageal junction (n=7), sigmoid colon (n=1), and gastric heterotopia of the cricopharynx (n=1). Endoscopic examination was abnormal in 6 of the 7 cases (including changes consistent with Barrett esophagus and polypoid/nodular mucosa) and normal in 1 of 7 cases for which this information was available. The histologic features were similar in all cases, with unencapsulated clusters of lamellated and concentrically arranged spindle cells in the lamina propria. The foci of TCLB ranged in size from <0.1 to 1.5 mm in the greatest dimension. Abnormal histopathologic findings were identified in the background mucosa in 6 of 9 cases (including Barrett esophagus, active and inactive chronic gastritis, enterochromaffin-like cell hyperplasia, and gastric intestinal metaplasia). None of the patients showed signs of neurofibromatosis type 1, multiple endocrine neoplasia type 2B, Cowden syndrome, or other inherited syndrome. No morbidity related to TCLB was reported for the patients with available follow-up.
...
PMID:Tactile Corpuscle-like Bodies in Gastrointestinal-type Mucosa: A Case Series. 2629 9

Iron deficiency caused by gastrointestinal (GI) bleeding is a common cause of anemia in hemodialysis patient. Herein, we report the case of an 89-year-old hemodialysis patient who presented with acute anemia and melena. Endoscopy found gastritis and diverticulosis without active bleeding. A capsule endoscopy (CE) was then performed and revealed multiple vascular lesions that lead to the diagnosis of Blue Rubber Bleb Nevus syndrome (BRBNS). This rare disease is associated with multiple venous malformations in the skin and the GI tract, usually observed in children. The patient developed 4 months latter 2 skin lesions compatible with BRBNS. Treatment included blood transfusion and intravenous iron supplementation. We reported an unusual presentation of venous malformation BRBS which differs from angioectasia, in an adult hemodialysis patient. Overall prognosis is good.
 ...
PMID:An unusual cause of gastrointestinal bleeding in a hemodialysis patient. 2960 8