Soft tissue fibroma Back lump ultrasound – dorsal wall lesions

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Soft tissue fibroma – Back Lump (Dorsal Wall Ultrasound)
Dorsal wll Ultrasound Case Study Case Study No: R-23

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: Back swelling / Pain / Suspected soft tissue lesion / Trauma / Infection / Screening.


Muscle Layers: Visualized muscle planes appear normal in bulk and echotexture. No focal mass, tear, or intramuscular collection is identified. Fascial Planes: Fascial layers are intact with no evidence of fluid tracking or disruption.

Skin & Subcutaneous Tissue: Location: Right lateral dorsal wall, within the subcutaneous plane. (Typical location: subcutaneous tissue of trunk, extremities, or dorsal body wall.) Soft Tissue: No focal soft tissue mass, cystic lesion, or abscess is seen. Vascularity: No abnormal increased vascularity is noted on Doppler evaluation.




Impression: Features suggestive of subcutaneous fibroma in the right lateral dorsal wall.

Recommendation: Clinical correlation is advised. Follow-up ultrasound may be considered if there is increase in size or symptoms. Histopathological confirmation can be considered if clinically indicated.


Kindly Note:

• Sonographic findings are suggestive of a benign subcutaneous soft tissue fibroma / fibrous lesion involving the dorsal wall region.
• Ultrasound evaluation is limited in characterization of deep soft tissue extension and adjacent osseous involvement.
• Clinical correlation is advised. Histopathological examination, MRI, or follow-up imaging may be considered if the lesion enlarges, becomes painful, fixed, or clinically suspicious.
• This report is not valid for medico-legal purposes.

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