<unk><unk> -Johansson<unk>  is a type of osteochondrosis affecting the attachment of the patellar tendon to the patella and characterised by tenderness and localized swelling of the patella.
Johansson-Sinding-Larsen syndrome
Grisel's syndrome
Kearns–Sayre syndrome
Fryns syndrome
Pierson syndrome
Weber's syndrome
Faye-Petersen-Ward-Carey syndrome
Alice in Wonderland syndrome