Should liver biopsy be systematic during surgery for ulcerative colitis?
Peroperative liver biopsy identify primary sclerosing cholangitis or other liver diseases in an early diagnosis and help evaluate their stage in order to start appropriate treatment.
Intramembranous and endochondral osteogenesis take place at the site of cricoid cartilage defects treated with rhBMP-2. Progenitor cells of cricoid perichondrium form a growth plate-like structure similar to the epiphyseal growth plate.