Rhabdomyosarcoma CT

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Shadan Mehraban, M.D.[2]

Overview

CT scan is considered as one of the first steps for evaluation of rhabdomyosarcoma. Primary site CT scan, chest CT scan, abdominal and retroperitoneal CT scan are required for evaluation of rhabdomyosarcoma. On CT scan, rhabdomyosarcoma is characterized by soft tissue density, enhancement with contrast, and bone destruction.

CT

• CT scan is considered as one of the first steps for evaluation of rhabdomyosarcoma.
• The following CT scans are required in rhabdomyosarcoma:
  • Primary site CT scan
    • For assessment of bone erosion and nearby lymph node involvement
    • For assessment of patient's response to treatment
  • Chest CT scan
    • For evaluation of metastatic lesions
  • Abdomen and retroperitoneal CT scan (thin-cut 5 mm sections)
    • For assessment of retroperitoneal nodal involvement in paratesticular rhabdomyosarcoma
• Possible CT scan findings of rhabdomyosarcoma are:
  • Soft tissue density
  • Enhancement with contrast
  • Bone destruction

Rhabdomyosarcoma of the right psoas muscle, right psoas muscle is enlarged, and mildly heterogeneous.Source:Case courtesy of Dr Ruslan Asadov, Radiopaedia.org, from Radiopedia

CT images demonstrate a cardiac rhabdomyosarcoma.Source:Case courtesy of Radswiki, from Radiopedia

A 20 years old man presented with repeated epistaxis. In the posterior aspect of the right nasal passage a soft tissue mass is present, just posterior to the inferior turbinate.Source: Case courtesy of A.Prof Frank Gaillard, from Radiopedia