The prevalence and clinicopathological appearance of extension of osteonecrosis in the femoral head.

The prevalence and clinicopathological appearance of extension of osteonecrosis in the femoral head. Research Abstract Details 

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The prevalence and clinicopathological appearance of extension of osteonecrosis in the femoral head. Abstract Text:

T Yamamoto,E F DiCarlo,P G Bullough,

In about 50% of cases, osteonecrosis of the femoral head is known to occupy more than one site. There is controversy as to whether a single focus may increase in size. We have reviewed 606 consecutive femoral heads which had been surgically removed for osteonecrosis. Extension of osteonecrosis was observed in only two (0.3%) and was confirmed histopathologically by the enlargement of the necrotic segment beyond the repair zone formed for the primary necrosis into the adjacent, previously uninvolved bone. In both cases, the necrotic regions were wedge-shaped and occupied over 80% of the femoral head. It appears that an increase in size is extremely rare and that osteonecrosis is due to a single event. Our findings may be of value in assessing the use of joint-salvage procedures for osteonecrosis of the femoral head.

The prevalence and clinicopathological appearance of extension of osteonecrosis in the femoral head. Publishing Authors By Initials

T Yamamoto,EF DiCarlo,PG Bullough,

For similar investigative techniques: epidemiologic methods: epidemiologic study characteristics as topic: epidemiologic studies: case-control studies: retrospective studies research abstracts see: investigative techniques: epidemiologic methods: epidemiologic study characteristics as topic: epidemiologic studies: case-control studies: retrospective studies research

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The prevalence and clinicopathological appearance of extension of osteonecrosis in the femoral head. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: The Journal of bone and joint surgery. British vol

VOLUME: 81

Page Numbers: 328-32

Journal Abbreviation:

ISSN: 0301-620X

DAY: 14

MONTH: Mar

YEAR: 1999

The prevalence and clinicopathological appearance of extension of osteonecrosis in the femoral head. Information

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LANGUAGE: eng

NlmUniqueID: 375355

The prevalence and clinicopathological appearance of extension of osteonecrosis in the femoral head. Keywords Mesh Terms:

KEYWORDS: Retrospective Studies

MESH TERMS: surgery

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Grant and Affiliation Information for The prevalence and clinicopathological appearance of extension of osteonecrosis in the femoral head.

AFFILIATION: Department of Laboratory Medicine, Hospital for Special Surgery, New York, NY 10021, USA.

Country: ENGLAND

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MEDLINETA: J Bone Joint Surg Br

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