Biomedical subjects
Publications and source records attributed to E Maor.
A case of thyroglossal duct anomaly showing an unusual finding of foci of cartilage is presented. Although the concept of choristoma may explain the pathogenesis of cartilage within the present congenital anomaly, the histologic features were more in favor of a metaplastic process. In addition, the history of recurrent bouts of local inflammation supports the latter view.
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A case of early childhood Coats's disease in a ten-month-old boy is presented. The lactic dehydrogenase aqueous:serum ratio was very high (6:1). A ratio higher than 3:1 in Coats's disease or in any other eye infection has never been reported except in cases of retinoblastoma. Since retinoblastoma does not always show calcification in x-rays, it may be concluded that in certain cases it would be impossible to discriminate between Coats's disease and retinoblastoma (except in pathologic analysis) with any available diagnostic tools.
Electrical accidents during pregnancy are relatively infrequent, and reports are rare. Six pregnant women who suffered an electrical injury during pregnancy are presented here. For all, the current path through the body was from hand to foot. Changes that occurred in fetal movements and development as well as the outcome of the pregnancies, are presented. After delivery, the placenta and cord were carefully examined in all cases. From an analysis of the published cases and the present findings, it seems that there are no specific clinical and pathological signs of fetoplacental damage. Medical examination, shortly after the accident, may reveal a dead fetus. However, when it is found alive, oligohydramnios or growth retardation may develop later, and a close follow-up seems advisable. Pregnant women should be warned to notify their attending physician in all cases of electrical shock, no matter how apparently minor.
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Desquamative interstitial pneumonia occurred in three siblings. Cough, difficulty in breathing, cyanosis, and failure to gain weight appeared during the first month of life; progressive hypoxia followed, and the three infants died in respiratory failure before the age of 4 months despite intensive drug and supportive treatment. The radiographic and the histologic appearance of pulmonary changes were similar in all three infants. Chest radiographs yielded normal findings initially, with rapid progression to a ground glass appearance of both lungs. Histologic findings of lung biopsies showed lymphoplasmocytic infiltration and fibrous thickening of the alveolar walls, swelling of alveolar lining cells, and large clumps of macrophages with PAS-positive foamy cytoplasm in the alveolar spaces.
The authors report their experience with an unusual case of intracerebral sarcoma of meningeal cell origin in an 8 1/2-year-old girl. This tumor occurred 6 1/2 years after cranial irradiation at relatively low dosage (2200 rads) had been delivered to the head in the course of a multimodality treatment for acute lymphocytic leukemia. The tumor recurred approximately 10 months after the first surgical intervention. Macroscopic total excision of the recurrent growth followed by whole-brain irradiation (4500 rads) failed to eradicate it completely and local recurrence prompted reoperation 18 months later. This complication of treatment in long-term childhood leukemia survivors is briefly discussed, as well as the pathology of meningeal sarcomas.
Although liposarcoma is a common tumor of the soft tissues of the body, it rarely occurs as a primary neoplasm of bone. An extensive review of the literature from 1930-1980 uncovered fewer than 35 cases. The authors discuss the diagnosis and treatment of a case of primary liposarcoma of bone in the right femur of a 34-year-old Bedouin man.
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A patient with varicoid carcinoma of the esophagus is reported. These tumors differ from classical esophageal carcinoma and have some resemblance to esophageal varices in their radiological and endoscopic appearances. Dysphagia is generally not the presenting symptom. The histological picture in our patient was that of a poorly differentiated adenocarcinoma with areas of signet-cell carcinoma. This is an exceptional finding since all previously reported cases of varicoid carcinoma of the esophagus have been squamous cell carcinomas.
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