Pelvic chondrosarcoma

Case contributed by Dr Mohammad Taghi Niknejad


Pelvic pain and deformity.

Patient Data

Age: 70 years
Gender: Male

Large exophytic mass with soft tissue component and chondroid calcification is seen at left side of pelvis, arising from left ischiopubic and lower portion of iliac bones, measured about 142×128×115 mm in diameters.
Marked mass effect on pelvic structures is evident and rectum, urinary bladder, prostate gland and seminal vesicles are displaced to the rightward.
Fat plane between the mass and urinary bladder & rectum is intact, but there is no frank fat plane between the mass and lower aspect of prostate gland. Proximal part of left femur is intact.


Case Discussion

Pathology proven case of chondrosarcoma in a 70 years old male. On imaging, these tumors have ring-and-arc chondroid matrix mineralization with aggressive features such as lytic pattern, deep endosteal scalloping and soft-tissue extension.

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Case information

rID: 63113
Published: 15th Sep 2018
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included
Institution: Tabesh medical imaging center

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