Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Histological specimen revealed irregular fascicles of spindled cells and staghorn-like blood vessel (white circle) with deposition of collagen (A). Immunohistochemical staining of tumor cells were positive for CD34 (B) and STAT6 (C). Spindle cells proliferation and STAT6-positive cells were not observed in the pedicle. Ki-67 (MIB-1) proliferation index was less than 1% (D).
