Exophthalmos caused by excessive fat: CT volumetric analysis and differential diagnosis.

Exophthalmos caused by excessive fat: CT volumetric analysis and differential diagnosis. Research Abstract Details 

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Exophthalmos caused by excessive fat: CT volumetric analysis and differential diagnosis. Abstract Text:

R G Peyster,F Ginsberg,J H Silber,L P Adler,

CT has proven to be excellent in identifying orbital pathology responsible for proptosis. Occasionally, no discrete mass or extraocular muscle enlargement to explain the exophthalmos is found, only an appearance suggestive of an abnormal increase in orbital fat volume. Fifteen patients were studied with proptosis apparently resulting from increased orbital fat. Clinical follow-up revealed that four of them had Graves orbitopathy, unilateral in one; two had Cushing disease/syndrome; and nine were obese without endocrinopathy. The orbital volume and percentage orbital fat volume were measured by CT software analysis in these patients and in a control group of 16 patients without proptosis. Measurements of proptosis and thickness of the scalp fat pad at the inion level were also performed. Significantly greater values for orbital fat volume, percentage fat volume, and proptosis were found in the proptosis group compared with the control group. There was excellent correlation between proptosis and percentage fat volume, supporting the contention that increased orbital fat is responsible for the proptosis. The thickness of the scalp fat pad at the inion level was significantly greater in obese and Cushing patients than in control subjects, but the thickness was not significantly greater in Graves patients than in controls. Proptosis and inion fat were well correlated (r = 0.74) in the control and obese patients, which suggests a relation between general body fat and orbital fat volume.

Exophthalmos caused by excessive fat: CT volumetric analysis and differential diagnosis. Publishing Authors By Initials

RG Peyster,F Ginsberg,JH Silber,LP Adler,

For similar eye diseases: orbital diseases research abstracts see: eye diseases: orbital diseases research

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Exophthalmos caused by excessive fat: CT volumetric analysis and differential diagnosis. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: AJR. American journal of roentgenology

VOLUME: 146

Page Numbers: 459-64

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ISSN: 0361-803X

DAY: 15

MONTH: Mar

YEAR: 1986

Exophthalmos caused by excessive fat: CT volumetric analysis and differential diagnosis. Information

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LANGUAGE: eng

NlmUniqueID: 7708173

Exophthalmos caused by excessive fat: CT volumetric analysis and differential diagnosis. Keywords Mesh Terms:

KEYWORDS: Orbital Diseases

MESH TERMS: radiography

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Country: UNITED STATES

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MEDLINETA: AJR Am J Roentgenol

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