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Painless scrotal swelling: ultrasonographical features with pathological correlation
1Department of Radiology, Chiang Mai University, 110 Intavaroros Road, Chiang Mai 50200, Thailand. mmuttara@mail.med.cmu.ac.th
Singapore Medical Journal
|April 1, 2005
Summary
Ultrasonography (US) effectively differentiates extratesticular (often benign) from intratesticular (often malignant) scrotal lesions. This pictorial essay details US features for diagnosing various scrotal swellings.
Area of Science:
- Radiology
- Medical Imaging
- Urology
Background:
- Scrotal swelling is a common clinical presentation.
- Lesions can be extratesticular or intratesticular, with differing malignant potential.
- Accurate diagnosis is crucial for appropriate patient management.
Purpose of the Study:
- To illustrate the ultrasonography (US) features of various scrotal lesions.
- To correlate US findings with pathological diagnoses.
- To aid clinicians in differentiating benign from malignant scrotal masses.
Main Methods:
- Review of scrotal ultrasound examinations.
- Correlation of imaging findings with histopathological results.
- Categorization of lesions into extratesticular and intratesticular.
Main Results:
- Extratesticular lesions (e.g., hydrocele, spermatocele, varicocele) are predominantly benign.
- Intratesticular lesions (e.g., primary tumors, metastases, lymphoma) have a higher likelihood of malignancy.
- Specific US characteristics (cystic, solid, calcifications, vascularity) aid in differentiation.
Conclusions:
- Ultrasonography is a key imaging modality for evaluating scrotal swelling.
- US can reliably distinguish between extratesticular and intratesticular pathologies.
- Understanding US patterns improves diagnostic accuracy for scrotal diseases.