Biomedical subjects
Publications and source records attributed to D Varsano.
Benign masseteric hypertrophy in a young child is presented. Diagnosis was confirmed by sonography and computed tomography. Recognition of this disorder obviates the need for further invasive investigations.
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A 5-month-old infant presented with severe dyspnea and dysphagia resulting from a right-sided cervical mass. At 5 months of age, a large aberrant thymus was excised, resulting in the disappearance of all symptoms. Pathological examination showed normal thymus tissue. Since the preoperative chest X-ray film showed a normal thymic shadow and the T-lymphocyte functions were normal, we conclude that this was not an ectopic gland but an undescended thymic implant.
Two children were admitted for clinical and radiologic signs of small-bowel obstruction. Examination revealed an abdominal mass that was suspected of being a mass of intussusception. Bowel obstruction caused by Ascaris lumbricoides was found at surgery. The laboratory, radiologic, and surgical findings are presented with a short review of the literature with emphasis on diagnosis, incidence, complications, and treatment.
A case of pseudo-precocious puberty in a 2 4/12-year-old boy, due to Leydig cell adenomas of the testicle, is described. The special endocrine investigations revealed high levels of plasma testosterone and other androgens together with suppressed plasma gonadotropins unresponsive to stimulation. After operation the hormones returned to normal. The growth velocity and bone age were only gradually decreased, during a period of one year, while the sexual manifestations were the last to disappear, in the third year.
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In the course of evaluating an infant with recurrent episodes of bronchiolitis, the esophagus was radiologically examined. A totally unexpected finding was the presence of intramural diverticulosis of the upper part of the esophagus. On reexamination four months later, the diverticula had disappeared.
A newborn male referred for genetic investigation because of a large sized head and dysplastic ears, but with apparently normal male genitalia was found to have a deletion of all of the brightly fluorescent part of the long are of chromosome Y and absence of the Y fluorescent body on buccal smear. His father and his two brothers had normal Y chromosomes. Social and family history as well as marker investigation make illegitimacy most unlikely and leaves an occurrence of a new chromosomal mutation in the father the most probably interpretation. Follow-up of the infant to the age of 9 months revealed a large baby with normal development.
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