Hong Kong Med J 1996;2:133-7 | Number 2, June 1996
The pathology of bone marrow transplantation in Hong Kong Chinese
TWH Shek, IOL Ng, EKW Chiu, KW Chan
Department of Pathology, The University of Hong Kong, Queen Mary Hospital, Pokfulam, Hong Kong
The pathological lesions found in 68 successfully engrafted patients with human leucocyte antigen-matched sibling-related bone marrow transplants werereviewed retrospectively. Twenty-six (38%) patients had acute graft-versus-host disease, which was slightly less than that reported in Caucasians. Skin was a constant site of involvement (100%), followed by the gastrointestinal tract (74%) and liver (59%). There was a 74% correlation between the clinical and histological grading of cutaneous graft-versus-host disease, while that of the gastrointestinal tract was lower at 60%. Cytomegalovirus colitis was found on histological examination of two patients clinically thought to have graft-versus-host disease. Histological evidence of infection, which included viral hepatitis (n=5), disseminated cytomegalovirus infection (n=3), disseminated aspergillosis (n=2), systemic candidiasis (n=2), Pneumocystis carinii pneumonia (n=1), and bacterial pneumonia (n=1), was present in 14 patients. In addition to graft-versus-host disease and infections, there was a case of veno-occlusive disease of the liver. Histological examination is important in distinguishing graft-versus-host disease from infection and other complications in bone marrow transplantation.
Key words: Bone marrow transplantation; Pathology; Graft vs host disease; Opportunistic infections; Immunosuppression
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