Fig 3.

(A) Clinical imaging of right femur in patient in supine position under fixation with fracture traction table. A 2.7-mm, 30° angled arthroscope and forceps are inserted through the lateral and anterior portals, respectively. (B) Endoscopic imaging shows curettage of the fibrous inner surface by a forceps, which is inserted through the anterior portal under direct endoscopic visualization through the lateral portal. (C) Endoscopic imaging through the lateral portal shows healthy bone marrow, which is exposed after curettage of the inner surface.