<unk>  is usually identified through radiographic evidence since its characteristic changes are most notable in radiographic tests that indicate delayed bone age or absent ossification. A full skeletal survey should be performed on any patient that has an absent or hypoplastic patellae since they could potentially have<unk> . Magnetic resonance imaging (MRI) is especially helpful in the diagnosis of<unk>  syndrome and is recommended when an individual affected by<unk>  has a traumatic injury to the knee.
Ischiopatellar dysplasia
Canalicular adenoma
Genitopatellar syndrome
Choroid plexus papilloma
Craniopharyngioma
Choroidal fissure cyst
Nasolabial cyst
Choroid plexus cyst