... changes in HAAP include marked proliferation of synoviocytes in thesynovial lining layer, gross infiltration of lymphocytes, andmigration of atypical lymphocytes with nuclear indentationinto the ... K, Kitajima I, Nishioka K, Yamamoto K, Takeda T, Hatanaka M, Yamamoto H,Sekiguchi T: Induction of inflammatory arthropathy resemblingrheumatoid arthritis in mice transgenic for HTLV -I. Science1991, ... patchy staining involving several areas; ++, moderate diffuse staining. OST, osteotomy; SYV, synovectomy; TA, total joint arthroplasty. Available online http://arthritis-research.com/content/6/4/R347R349Inc.)....