Can a pressure sore reach a person's bone?

A pressure sore, also known as a pressure ulcer or bed sore, can indeed reach a person's bone in more severe stages of the condition. Pressure sores develop when there is prolonged pressure on the skin, which can lead to damage in the skin and underlying tissues. As these sores progress through the stages, they can deepen and potentially expose and damage underlying structures.

In the most advanced stage, known as stage IV, the sore can extend through the skin, subcutaneous tissue, and muscle, exposing bone or even leading to infection in the bone (osteomyelitis). This is why understanding the severity and progression of pressure sores is crucial for effective prevention and treatment in vulnerable populations, ensuring that timely interventions can be made before the injury becomes severe enough to affect bones.

Other options might suggest limited conditions under which a pressure sore can reach the bone, but the fact remains that if not properly managed, these sores can indeed compromise deeper tissues, including bone, particularly in individuals with critical risk factors.