Esophageal intramural diverticulosis.
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Biomedical subjects
Publications and source records attributed to B L Hodes.
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During the past two decades, improvements in the resolution and reliability of instrumentation and techniques have allowed A- and B-scan ultrasonography to join direct visualization, fluorescein angiography, and radioactive phosphorus testing as primary diagnostic modalities in the evaluation of intraocular neoplasms. Because overlying opacities have no effect on the examining ultrasonographic frequencies, ultrasound has the unique ability to depict the nature of intraocular pathology when the media are optically opaque. Physics, history, instrumentation and techniques are described, and criteria for diagnosis of uveal malignant melanomas by standardized A-scan and B-scan methods are discussed and illustrated.
Congenital anophthalmos must be differentiated from "clinical anophthalmos" where blepharophimosis renders examination of the contents of the orbit impossible. Ultrasonographic examination of these orbits can be performed for documentation of the total absence of cyst-like ocular structures without the need for examination under anesthesia and surgical exploration. Two cases of true anophthalmos have recently been seen by us and the diagnosis confirmed ultrasonographically.
Many chromosomal syndromes include ocular anomalies. In the del(13q) syndrome retinoblastoma, coloboma, and microphthalmia may be present. In the del(13q) case we report, the findings include colobomas and apparent microphthalmia, although the retinoblastoma sometimes associated with this condition was not observed. More precise descriptions of the del(13q) syndrome relative to the region deleted using improved banding techniques may: (1) increase the likelihood of accurate diagnosis, (2) enhance clinical predictions, and (3) possibly further clarify the genetic control over the development of the ocular system.
Two cases of cutis marmorata telangiectatica congenita are described in association with nevus flammeus and congenital glaucoma. Approximately 65 cases have been reported and the association with nevus flammeus and congenital glaucoma has only been reported in one of those cases. Unlike the glaucoma associated with nevus flammeus of Sturge-Weber, this type of congenital glaucoma appears to be associated with an abnormal filtration angle rather than an increased episcleral venous pressure.