Arthroscopic meniscectomy complication

[malek]

A 50-year-old woman was referred by an orthopaedic surgeon with a 2-month history of severe pain in her right knee, calf and foot. This had developed 1 week after an arthroscopic meniscectomy.
On examination, she was tearful and her right leg was swollen, dusky, cool and tender below the knee. She found light touch extremely painful and refused to have her knee fully examined.
Investigations:
serum C-reactive protein 3 mg/L (<10)
Doppler ultrasound scan normal

What is the most likely diagnosis?

A complex regional pain syndrome
B deep venous thrombosis
C popliteal artery dissection
D septic arthritis
E synovial leak

[raniasalah]

thankx

[lotfi2011]

complex regional pain syndrome

[dr ahmed]

thankkkkkkkkkkkk