CASE 523: FIBULAR BONE TUMOR, Dr PHAN THANH HẢI, MEDIC MEDICAL CENTER, HCMC, VIETNAM.

WOMAN 58 YO  WITH PAIN AT LEFT KNEE  AND SWELLING, DIFFICULTY IN WALKING (PHOTO)

ULTRASOUND   DETECTED ONE BIG MASS HYPOECHOIC FROM THE KNEE JOINT 20 CM LONG  WELL BORDERED  (US1).

US 2 : CDI  SHOWS HYPERVASCULAR.

US 3:  THIS MASS IS FROM THE  FIBULAR BONE OUTGROWTH  INTRA MUSCLE.

US 4: THIS MASS  COMPRESSED THE VASCULAR BENDING.

X-RAYS OF THE  KNEE  SHOWS THE UPPER PART OF FIBULAR BONE BEING EROSION.

MRI OF LEFT KNEE   WITH GADO:

 MRI 1= HYPOINTENSE MASS  LIKE CYST.

MR 2 = THIS MASS WITH CENTRAL NECROSIS.

MRI 3 = CROSSED SECTION   VERY HIGH CONTRAST ENHANCEMENT.

MRI 4 =THIS MASS IS FROM PROXIMAL PART OF LEFT FIBULAR BONE.

RADIOLOGIST SUGGESTED  IT SARCOMA OR GIANT CELL TUMOR.

CORE BIOPSY WAS DONE.

Microscopic report is  giant cell tumor of  fibular bone, proximal part.