Spontaneous osteonecrosis of the knee (SONK) is an idiopathic condition that leads to the development of a crescent shaped osteonecrosis lesion, mostly commonly in the epiphysis of …

Dec 10, 2024 · The entity subsumes that previously known as spontaneous osteonecrosis of the knee (SONK/SPONK) or Ahlbäck disease.

Feb 28, 2024 · MRI findings in the subchondral bone marrow: a discussion of conditions including transient osteoporosis, transient bone marrow edema syndrome, SONK, and shifting bone …

Elfeky M, Spontaneous osteonecrosis of the knee (SONK). Case study, Radiopaedia.org (Accessed on 09 Apr 2025) https://doi.org/10.53347/rID-66165

Spontaneous osteonecrosis of the knee, often referred to as SONK, was historically referred to as an insufficiency reaction of the medial femoral condyle that occurred “spontaneously” could …

Spontaneous osteonecrosis of the knee, aka SONK, is a condition that causes acute unilateral knee pain. It was first described in 1968 in individuals in their sixth decade of life. SONK …

SONK should be considered together with differential diagnosis of osteoarthritis, tear of medial meniscus, and tibial plateau fracture. SONK usually has a sudden onset of knee pain, while …

Osteonecrosis of the knee is a painful condition that occurs when the blood supply to a section of the femur (thighbone) or tibia (shinbone) is disrupted. Because bone cells need a steady blood …

Nov 13, 2014 · Osteonecrosis is a devastating disease that can lead to end-stage arthritis of various joint including the knee. There are three categories of osteonecrosis that affect the …

Purpose: Spontaneous osteonecrosis of the knee (SONK) is said to be a relatively common disease which may lead to an end-stage osteoarthritis of the knee. The aim of this paper was …