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.
The lesion demonstrates homogeneous fatty echotexture with linear echogenic striations. No adjacent muscle infiltration or structural distortion 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 rhomboid muscles,
showing characteristic sonographic features of a lipoma.
Features are suggestive of intramuscular (rhomboid major/minor muscle) lipoma.
Recommendation: Clinical correlation is advised. MRI may be considered for further evaluation if required. Follow-up is recommended if symptomatic or showing 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.
End of Case Study
You have reached the end of this Rhomboid Muscle Lipoma – Back Lump (Dorsal Wall Ultrasound Case Study).
This evaluation was performed using Ultrasonography (USG), enabling detailed real-time assessment of deep soft tissue structures.
Content is intended for educational, training, and clinical reference purposes only.
Declaration:
I, R. K. Mouj, declare that the material presented in this case study titled
“Rhomboid Major / Minor Muscle Lipoma – Dorsal Wall (Back Lump) on Ultrasonography (USG)”
has been prepared solely for educational and academic purposes.
The findings demonstrate a well-defined, hyperechoic lesion located within the
intramuscular plane of the rhomboid major/minor muscles, in the upper dorsal region between the
medial border of the scapula and the vertebral column, consistent with an intramuscular lipoma.
The lesion typically exhibits homogeneous fatty echotexture with fine internal linear striations,
maintains orientation parallel to muscle fibers, and shows no internal vascularity on Doppler evaluation.
There is no evidence of surrounding soft tissue invasion or aggressive features.
Ultrasonography serves as an effective, non-invasive modality for evaluating both superficial and deep soft tissue masses,
aiding in differentiation of benign entities such as lipoma from other pathological lesions.
These findings are intended for educational demonstration only.
Final diagnosis and clinical management should be based on comprehensive clinical correlation and further evaluation if required.
Author: ____________________
Name: R. K. Mouj [Radio-imaging Technologist]
Domain: Diagnostic Sonography & Musculoskeletal Imaging
Modality: Ultrasonography (USG)
Platform: SonoAcademy
Supervisor / Guide: Department Radiologist
Department: Radiology
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