Rhabdomyosarcoma ultrasound

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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

Ultrasound is beneficial for diagnosis of rhabdomyosarcoma in pelvic and abdominal tumors. Ultrasound findings of rhabdomyosarcoma are in favor of well-defined, irregular mass with low to medium echogenicity.

Ultrasound

• Ultrasound is beneficial for diagnosis of rhabdomyosarcoma in following cases:
  • Pelvic tumors such as prostate tumors or bladder tumors
  • Abdominal tumors for liver evaluation
• Ultrasound findings of rhabdomyosarcoma are:
  • Well-defined and irregular mass
  • Low to medium echogenicity

A 4 years old female patient presented with abdominal pain and diarrhea with changes in urine and stool color, then yellowish discoloration of skin and sclera. There is a mixed echogenicity ill-defined mass lesion located in the portahepatis measured 5 x 4 cm, it shows increased blood flow on color Doppler mode.Source: Case courtesy of Dr Hazem M Almasarei, from Radiopedia

A 25 years old man presented with painful enlarging lump near parotid duct.Targeted ultrasound of the left cheek - demonstrating a hypoechoic lobulated nodule, with no abnormal vascularity.Source: Case courtesy of Dr Shanesh Kumar, from Radiopedia

A 17 years old boy presented with painless left scrotal mass.Source: Case courtesy of Dr Yair Glick, from Radiopedia