Differential Diagnosis
DDx Strength: Weak
Knee pain, Muscle weakness

Edit Findings

Osteoarthritis

OsteoarthritisOsteoarthritis

Knee injury

Knee injury

Peroneal mononeuropathy

Peroneal mononeuropathy

Venous malformation

Venous malformationVenous malformation

Acute compartment syndrome

Acute compartment syndrome

Patellar fracture

Patellar fracture

Patellar dislocation

Patellar dislocation

Tendonitis

Tendonitis

Traumatic neuroma

Traumatic neuromaTraumatic neuroma

Avascular necrosis

Avascular necrosisAvascular necrosis

Neurofibromatosis

NeurofibromatosisNeurofibromatosis

Ganglion cyst

Ganglion cystGanglion cyst

Pes anserine pain syndrome

Pes anserine pain syndrome

Psoriatic arthropathy

Psoriatic arthropathyPsoriatic arthropathy

Rheumatoid arthritis

Rheumatoid arthritisRheumatoid arthritis

Clear cell sarcoma

Clear cell sarcoma

Diffuse tenosynovial giant cell tumor

Diffuse tenosynovial giant cell tumor

Osteochondroma

Osteochondroma

Iliotibial band syndrome

Iliotibial band syndrome

Meniscal injury

Meniscal injury

Patellar tendinopathy

Patellar tendinopathy

Patellofemoral pain syndrome

Patellofemoral pain syndrome

Prepatellar bursitis

Prepatellar bursitis

Patellar clunk syndrome

Patellar clunk syndrome

Reactive arthritis

Reactive arthritisReactive arthritis

Semimembranosus tendinopathy

Semimembranosus tendinopathy

Septic arthritis

Septic arthritisSeptic arthritis

Immunoglobulin A vasculitis

Immunoglobulin A vasculitisImmunoglobulin A vasculitis

Aneurysmal bone cyst

Aneurysmal bone cyst

Transient synovitis of hip

Transient synovitis of hip

Osgood-Schlatter disease

Osgood-Schlatter disease

Bursitis

BursitisBursitis

Calcium pyrophosphate deposition disease

Calcium pyrophosphate deposition diseaseCalcium pyrophosphate deposition disease

Gout

GoutGout

Hip fracture

Hip fracture

Lipoma

LipomaLipoma

Complex regional pain syndrome

Complex regional pain syndrome

Deep vein thrombosis

Deep vein thrombosisDeep vein thrombosis

Enchondroma

Enchondroma

Hip injury

Hip injury

Lyme disease

Lyme diseaseLyme disease

Meralgia paresthetica

Meralgia paresthetica

Phlebitis

PhlebitisPhlebitis

Popliteal cyst

Popliteal cyst

Quadriceps tendinopathy

Quadriceps tendinopathy

Sarcoidosis

SarcoidosisSarcoidosis

Sickle cell acute pain crisis

Sickle cell acute pain crisis

Osteochondral defect

Osteochondral defectOsteochondral defect

Ankylosing spondylitis

Ankylosing spondylitisAnkylosing spondylitis

Chondrosarcoma

Chondrosarcoma

Giant cell tumor of tendon sheath

Giant cell tumor of tendon sheathGiant cell tumor of tendon sheath

Glomangiomas

GlomangiomasGlomangiomas

Glomus tumor

Glomus tumorGlomus tumor

Hemochromatosis

HemochromatosisHemochromatosis

Liposarcoma

Liposarcoma

Neurilemmoma

NeurilemmomaNeurilemmoma

Osteonecrosis of the femoral heads

Osteonecrosis of the femoral heads

Patellar tendon rupture

Patellar tendon rupture

Periostitis

PeriostitisPeriostitis

Quadriceps tendon rupture

Quadriceps tendon rupture