What type of bone graft is an autogenous cancellous graft?

An autogenous cancellous graft refers to a type of bone graft that is taken from the patient's own body. The key characteristic of an autogenous graft is that it is harvested from the patient, eliminating the risk of rejection that could occur with grafts from donors.

In this specific case, the term "cancellous" refers to the spongy, porous bone found primarily at the ends of long bones and within the interior of others. The iliac crest, commonly associated with bone graft procedures, is a frequent surgical site where cancellous bone is harvested. However, bone can also be harvested from other sites in the body, including the tibia.

The correct answer, which identifies the source of an autogenous cancellous graft as being from the patient's tibia, aligns with the definition of this type of graft. It highlights that the graft material is derived from the patient's own body, specifically from the spongy bone tissue in the tibia, which can be advantageous in terms of biocompatibility and healing.

Other options, while related to bone grafting, do not correctly define the specific nature of an autogenous cancellous graft, as they either refer to grafts taken from donors or focus on the iliac crest specifically