What is the role of histology in the workup of subdural hematoma (SDH)?

Updated: Jul 26, 2018
  • Author: Richard J Meagher, MD; Chief Editor: Helmi L Lutsep, MD  more...
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Answer

Acute subdural hematomas usually contain both liquid and clotted blood. Intact erythrocytes are usually found within the clot. Associated skull fractures and underlying focal traumatic parenchymal damage are often present.

Fibroblastic membranes form on the dural side and arachnoid side of the chronic subdural hematomas, with the dural neomembrane being more vascular. The neomembrane consists of many capillaries, intact and lysed erythrocytes, hemosiderin-laden macrophages, and granulation tissue.


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