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Giant Cell Bone Tumor

Barnes MGB - MedPix (2008)

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Giant Cell Bone Tumor

History: 21 year old Caucasian female, complaining about pain in her right knee for the past 4 months. Pain has gradually increased in intensity, interfering with her fitness routine. Pain is not worse during the mornings or at night. No fevers, chills nor night sweats.

Findings: Anteroposterior, lateral and tunnel radiographs of the right knee show an expansile lytic lesion of the proximal fibula with fairly narrow zone of transition. Lesion measures approximately 4.0 x 3.9 cm AP x LR and extends approximately 7.0 cm SI. On bone scans, mass demonstrates that increased radiotracer accumulation, with suggestion of a mild photopenic area centrally. Tibia and femur are otherwise normal in appearance. No additional abnormal radiotracer uptake throughout the remainder of the regions of the left and right knees. No associated periosteal reaction or soft tissue mass. Normal soft tissue radiolabel uptake.

Ddx: Giant Cell Bone Tumor Aneurysmal Bone Cyst Brown Tumors of Hyperparathyroidism Malignant Fibrous Histiocytomas Chondroblastomas Lytic Metastasis Telangiectatic Osteosarcoma

Dxhow: Excisional Biopsy

Exam: General: Well-nourished, well-appearing, no acute distress. Musculoskeletal: Point tenderness over lateral aspect of knee, slightly below the joint line. Approximately a 2 cm hard nodule felt on palpation. Nodule is non-mobile. No erythema, swelling, tenderness. Laboratory: Unremarkable

No MeSH data available.


Anteroposterior and lateral radiographs of the right knee demonstrate an expansile lytic lesion of the head of the proximal fibula with fairly narrow zone of transition.  No associated periosteal reaction or soft tissue mass.  Tibia and femur are normal in appearance.  Joint spaces are maintained. No joint effusion.
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MPX1933_synpic38476: Anteroposterior and lateral radiographs of the right knee demonstrate an expansile lytic lesion of the head of the proximal fibula with fairly narrow zone of transition. No associated periosteal reaction or soft tissue mass. Tibia and femur are normal in appearance. Joint spaces are maintained. No joint effusion.


Giant Cell Bone Tumor

Barnes MGB - MedPix (2008)

Anteroposterior and lateral radiographs of the right knee demonstrate an expansile lytic lesion of the head of the proximal fibula with fairly narrow zone of transition.  No associated periosteal reaction or soft tissue mass.  Tibia and femur are normal in appearance.  Joint spaces are maintained. No joint effusion.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX1933&req=5

MPX1933_synpic38476: Anteroposterior and lateral radiographs of the right knee demonstrate an expansile lytic lesion of the head of the proximal fibula with fairly narrow zone of transition. No associated periosteal reaction or soft tissue mass. Tibia and femur are normal in appearance. Joint spaces are maintained. No joint effusion.

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Giant Cell Bone Tumor

History: 21 year old Caucasian female, complaining about pain in her right knee for the past 4 months. Pain has gradually increased in intensity, interfering with her fitness routine. Pain is not worse during the mornings or at night. No fevers, chills nor night sweats.

Findings: Anteroposterior, lateral and tunnel radiographs of the right knee show an expansile lytic lesion of the proximal fibula with fairly narrow zone of transition. Lesion measures approximately 4.0 x 3.9 cm AP x LR and extends approximately 7.0 cm SI. On bone scans, mass demonstrates that increased radiotracer accumulation, with suggestion of a mild photopenic area centrally. Tibia and femur are otherwise normal in appearance. No additional abnormal radiotracer uptake throughout the remainder of the regions of the left and right knees. No associated periosteal reaction or soft tissue mass. Normal soft tissue radiolabel uptake.

Ddx: Giant Cell Bone Tumor Aneurysmal Bone Cyst Brown Tumors of Hyperparathyroidism Malignant Fibrous Histiocytomas Chondroblastomas Lytic Metastasis Telangiectatic Osteosarcoma

Dxhow: Excisional Biopsy

Exam: General: Well-nourished, well-appearing, no acute distress. Musculoskeletal: Point tenderness over lateral aspect of knee, slightly below the joint line. Approximately a 2 cm hard nodule felt on palpation. Nodule is non-mobile. No erythema, swelling, tenderness. Laboratory: Unremarkable

No MeSH data available.