Fig. 3From: Atypical and incomplete pulmonary hypertrophic osteoarthropathy in the left distal femur: a case reportResults of needle biopsy. a, b Results of the first needle biopsy showing fibrous tissue and granulation tissue around the bone matrix and no malignant cells in the section. c, d Final histopathological results showing massive new bone formation and osteoblast cells in the area of new bone formation, with no malignant tumor cellsBack to article page