Dorsal Wall Ultrasound
Technique:
Real-time ultrasound examination of the dorsal wall was performed using a
high-frequency linear transducer (7–12 MHz).
Systematic evaluation of the posterior thoraco-lumbar region was carried out
in longitudinal and transverse planes.
Skin, subcutaneous tissue, muscle layers, and underlying soft tissue structures
were assessed.
Clinical indication:
Suspected soft tissue lesion
Skin & Subcutaneous Tissue: Skin thickness appears normal. Subcutaneous tissue shows normal echotexture with no edema or collection.
Muscle Layers: A well-defined hyperechoic lesion is noted within the trapezius muscle plane, measuring approximately 4.8 × 2.3 cm. The lesion demonstrates linear echogenic striations aligned parallel to muscle fibers. No surrounding infiltration or muscle disruption is seen.Fascial Planes: Fascial layers are intact with no evidence of fluid tracking or disruption. Soft Tissue: No additional focal soft tissue mass, cystic lesion, or abscess is seen. Vascularity: No internal vascularity is noted within the lesion on Doppler evaluation.
Impression:
Well-defined intramuscular hyperechoic lesion within the trapezius muscle,
showing characteristic sonographic features of a lipoma.
Features are suggestive of intramuscular (trapezius muscle) lipoma.
Recommendation: Clinical correlation is advised. MRI may be considered for further characterization and confirmation. Follow-up is recommended if the lesion is symptomatic or shows interval increase in size.
Kindly Note:
Limitations / Technical Factors:
Ultrasound evaluation is limited for deep-seated lesions and bony structures.
Clinical correlation and further imaging (MRI / CT) may be required
depending on clinical suspicion.
• This report is not valid for medico-legal purposes.

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