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Chondroblastoma with secondary aneurysmal bone cyst

Warnock ALW - MedPix (2007)

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Chondroblastoma with secondary aneurysmal bone cyst

History: 24 yo man with right-sided lower posterior chest/rib pain for 4-6 months, increases with deep inspiration. He denies history of trauma.

Findings: • right paraspinal chest wall mass • measures 6.9x4.7x4.6 cm • located at levels T8 - T10 • mass erodes into T9 & T10 vertebral bodies, T9 pedicle, rib 9 • does not appear to disrupt thecal sac, though neural foramina is eroded • mild enhancement with gadolinium on T1 MR • sclerotic margins present in surrounding eroded structures • multiple fluid-fluid levels on T2 • no pathologic lymphadenopathy • no other abnormal findings are noted

Ddx: » Benign Primary Bone Tumors • fibrous dysplasia • chondroblastoma • chondromyxoid fibroma • osteochondroma • giant cell tumor • enchondroma » Malignant Primary Bone Tumors • chondrosarcoma • osteoblastoma, aggressive variant • osteosarcoma » Other • aneurysmal bone cyst • neurogenic tumors

Dxhow: Core biopsy and pathology

Exam: Tenderness to palpation approximately at posterior rib 11

No MeSH data available.


Large, lobulated mass located in right paraspinal region. Representative slice is at T9 and shows bony destruction of the T9 vertebral body and pedicle, as well as erosion of the ninth rib.  Subsequent slices demonstrate involved of T8,T9, and T10; mass extension into neural foramina; no hilar or medistinal pathologic lymphadenopathy by size.
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MPX1980_synpic34840: Large, lobulated mass located in right paraspinal region. Representative slice is at T9 and shows bony destruction of the T9 vertebral body and pedicle, as well as erosion of the ninth rib. Subsequent slices demonstrate involved of T8,T9, and T10; mass extension into neural foramina; no hilar or medistinal pathologic lymphadenopathy by size.


Chondroblastoma with secondary aneurysmal bone cyst

Warnock ALW - MedPix (2007)

Large, lobulated mass located in right paraspinal region. Representative slice is at T9 and shows bony destruction of the T9 vertebral body and pedicle, as well as erosion of the ninth rib.  Subsequent slices demonstrate involved of T8,T9, and T10; mass extension into neural foramina; no hilar or medistinal pathologic lymphadenopathy by size.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX1980&req=5

MPX1980_synpic34840: Large, lobulated mass located in right paraspinal region. Representative slice is at T9 and shows bony destruction of the T9 vertebral body and pedicle, as well as erosion of the ninth rib. Subsequent slices demonstrate involved of T8,T9, and T10; mass extension into neural foramina; no hilar or medistinal pathologic lymphadenopathy by size.

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Chondroblastoma with secondary aneurysmal bone cyst

History: 24 yo man with right-sided lower posterior chest/rib pain for 4-6 months, increases with deep inspiration. He denies history of trauma.

Findings: • right paraspinal chest wall mass • measures 6.9x4.7x4.6 cm • located at levels T8 - T10 • mass erodes into T9 & T10 vertebral bodies, T9 pedicle, rib 9 • does not appear to disrupt thecal sac, though neural foramina is eroded • mild enhancement with gadolinium on T1 MR • sclerotic margins present in surrounding eroded structures • multiple fluid-fluid levels on T2 • no pathologic lymphadenopathy • no other abnormal findings are noted

Ddx: » Benign Primary Bone Tumors • fibrous dysplasia • chondroblastoma • chondromyxoid fibroma • osteochondroma • giant cell tumor • enchondroma » Malignant Primary Bone Tumors • chondrosarcoma • osteoblastoma, aggressive variant • osteosarcoma » Other • aneurysmal bone cyst • neurogenic tumors

Dxhow: Core biopsy and pathology

Exam: Tenderness to palpation approximately at posterior rib 11

No MeSH data available.