Nodular Fasciitis Back lump ultrasound – dorsal wall lesions

Nodular Fasciitis – Back Lump (Dorsal Wall Ultrasound)

Dorsal wll Ultrasound Case Study Case Study No: R-25

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Dorsal Wall Ultrasound

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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 / Palpable dorsal wall lump / Suspected soft tissue lesion.

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Location: A focal soft tissue lesion is noted in the right lateral dorsal wall within the subcutaneous plane adjacent to the fascial layer.

Soft Tissue Lesion: A small well-defined hypoechoic lesion is seen measuring approximately 2.1 × 1.3 cm. The lesion appears mildly heterogeneous with a subtle surrounding hypoechoic halo. Muscle / Fascial Planes: Adjacent fascial planes appear preserved. No definite deep muscular invasion is identified. Calcification / Necrosis: No internal calcification or necrotic change is seen. Vascularity: Mild internal vascularity is noted on Doppler evaluation.

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Impression: Small well-defined hypoechoic soft tissue lesion involving the right lateral dorsal wall subcutaneous plane with mild internal vascularity. Features are suggestive of nodular fasciitis.

Recommendation: Clinical correlation is advised. Short-term follow-up ultrasound may be considered. Biopsy may be performed if the diagnosis remains uncertain or if interval increase in size is noted.

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Kindly Note:

Limitations / Technical Factors:
Ultrasound evaluation may be limited in characterization of soft tissue lesions and assessment of microscopic fascial extension.
Clinical correlation and histopathological evaluation may be required for definitive diagnosis.
• This report is not valid for medico-legal purposes.