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Biomedical subjects

L S Weiss

Publications and source records attributed to L S Weiss.

6 recordsLinked to original sources
PubMed1992

Light chain nephropathy in a 19-month-old boy with AIDS.

A 19-month-old boy with AIDS developed clinically unexplainable proteinuria. Biopsied renal tissue was examined by light microscopy, transmission electron microscopy, and immunofluorescence. Findings included an increase of mesangial matrix with occasional nodular sclerosis, mesangial hypercellularity, and glomerular deposits of kappa and lambda light chains. There were deposits of kappa, but not lambda, light chains in the arteriolar walls, and around the tubular and interstitial capillary basement membranes. Quantitative urinary immunoelectrophoresis revealed an extremely high urinary concentration of kappa light chain. These changes are diagnostic of light chain nephropathy. The rarity of light chain nephropathy in childhood and its occurrence in a patient with AIDS make this case unusual.

Acquired Immunodeficiency Syndrome↗
PubMed1992

Eagle's syndrome: the Ochsner experience.

Eagle fully described the syndrome that bears his name in 1948. He noted that the typical patient had undergone tonsillectomy in the past. Although reported in the literature, the carotid artery syndrome is frequently overlooked in patients manifesting craniofacial or pharyngeal pain but who have not undergone tonsillectomy. Cases representative of the variety of patients with Eagle's syndrome treated at the Ochsner Clinic Department of Otolaryngology are presented. The diversity of symptoms and its rather uncommon occurrence often make the diagnosis of Eagle's syndrome elusive. The anatomy and embryology of the stylohyoid complex is discussed, as well as the symptoms, differential diagnosis, workup, and treatment of Eagle's syndrome. We hope to refamiliarize the clinician with this condition in order that it be considered in the assessment of patients with craniofacial pain.

Adult↗
PubMed1991

Traumatic perforation of the tympanic membrane.

Traumatic perforations of the tympanic membrane are not uncommon injuries. The various etiologies of this injury along with the appropriate evaluation will be discussed. The goal of this review is to enhance the nonotolaryngologist's knowledge of this condition and its treatment.

Humans↗
PubMed1990

Macroglossia: a review.

Macroglossia is defined as a resting tongue that protrudes beyond the teeth or alveolar ridge. Complications of macroglossia include articulation errors, mandibular deformities, deglutition difficulties, and airway obstruction. Etiologies include hypothyroidism, the Beckwith-Wiedemann syndrome, lymphangiomatosis, and amyloidosis. Surgical correction of this condition at an early age may prevent or minimize the maxillofacial deformities and speech defects.

Humans↗
PubMed1979

Compensatory renal hypertrophy in fetal lambs.

Compensatory renal hypertrophy was studied in fetal lambs during midgestation. Functional adaptation was correlated with anatomica and biochemical changes by measuring glomerular filtration and clearance of para-amino hippurate (PAH). Normal intrauterine body growth and kidney growth by changes in RNA and DNA over a 72-hr period were studied in twin fetuses. Seventy-two hr after left uninephrectomy in single fetuses, there was a significant increase in weight of the renoprival right kidney as well as a significant increase in renal cortical content of RNA and DNA. The rate of increase in RNA was greater than the increase in DNA. Preliminary studies suggest that an increase in renal function parallels renal hypertrophy in fetal lambs.

Adaptation, Physiological↗