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Year : 1992  |  Volume : 38  |  Issue : 4  |  Page : 167-70

Study of intrarenal vasculature in cases of primary and secondary hypertension (by metallic impregnation technique on whole kidney section)

Dept of Pathology, Seth GS Medical College, Parel, Bombay, Maharashtra.

Correspondence Address:
B V Mittal
Dept of Pathology, Seth GS Medical College, Parel, Bombay, Maharashtra.

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Source of Support: None, Conflict of Interest: None

PMID: 0001307586

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Study of intrarenal vasculature was carried out by using the metallic impregnation technique on whole kidney sections in 31 [corrected] cases of (primary and secondary) hypertension and 10 normal controls. Distinct patterns of intrarenal vasculature were noted in controls and in cases of hypertension. Gradual tapering of vessels, absence of tortuosity and good peripheral vascularisation were noted in controls. Abrupt tapering, tortuosity of vessels and poor peripheral vascularisation were noted in hypertensive cases. In essential hypertension moderate to severe changes of dilatation of the segmental and/or arcuate arteries was noted. The degree of dilatation was related to the level of systolic BP rather than diastolic in cases of essential hypertension. Secondary hypertension even if severe, rarely showed significant dilatation lesions. Avascular zones and conglomeration of vessels at poles was seen only in cases of pyelonephritis. This helped in distinguishing these, from cases of glomerulonephritis.


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Online since 12th February '04
2004 - Journal of Postgraduate Medicine
Official Publication of the Staff Society of the Seth GS Medical College and KEM Hospital, Mumbai, India
Published by Wolters Kluwer - Medknow