Hematogenous spread of osteosarcoma is a common knowledge, with frequent metastases to lungs and bones. Cardiac involvement is rare finding, most of them depicting contiguous cardiac extension through vessels into the right atrium. Tricuspid metastases are rare. We encountered one such rare case of femur osteosarcoma with multiorgan metastasis including systemic veins, cardiac chambers, and tricuspid valve involvement which presented as diagnostic dilemma. Early detection was crucial for further management and prognostication of patient.
Midline interhemispheric cyst with corpus callosal agenesis is a well recognized condition and has been associated with various genetic conditions. Associated extraaxial tumors are uncommon with no proven genetic association. We describe a rare case of corpus callosal agenesis with a dorsal interhemispheric cyst and an extraaxial teratoma in the basifrontal region and review its imaging features along with the etiopathogenesis of concurrence of such condition.
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