Analysis of the passage of a laser pulse through a hole.
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Biomedical subjects
Publications and source records attributed to J Skála.
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Three patients developed chylous leakage after major blunt trauma. In one patient with non-remitting right-sided chylothorax, lymphangioscintigraphy as well as conventional oil contrast lymphography demonstrated disruption of the thoracic duct at the aortic hiatus which eventually required transpleural mediastinal ductal ligation proximal to the fistula. The other two patients had chylous retroperitoneum and/or chylous peritoneum which was self-limited although one patient (a three-year-old boy) died of multiorgan failure from associated pulmonary contusions and cervical spine injuries. Chylous leak after non-penetrating trauma is usually attributed to hyperflexion-extension of the vertebral column with shearing of tethered lymphatics. Alternatively, sudden compression of lipemic and engorged mesenteric lymphatics, adjacent nodes and the lower thoracic duct aggravated by deformations associated with stretching and tearing motions may also directly disrupt chyle-containing lymphatics.
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The authors described a very rare case of duodenal carcinoid in neurofibrimatosis in a 53-year-old patient who was treated by local excision of the tumour. In the discussion they draw attention to the possible development of carcinoid in neurofibromatosis as a manifestation of systemic affection of neuroectodermal tissues.
The authors describe a rare observation of a spontaneous perforation of a pseudocyst of the head of the pancreas into the duodenum with haemorrhage into the digestive tract. The case is documented by the clinical finding, computed tomography and endoscopic fistulography.
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Two cases of pyloroduodenal obstruction by gallstone are described. Bleeding into the proximal segment of the digestive tract and signs of high intestinal obstruction were present in both cases. The diagnosis was made by fibrescopic examination.
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