Striated testis

Last revised by Mostafa Elfeky on 17 May 2024

The striated testis is an imaging finding that is seen in symptomatic and asymptomatic individuals and represents a wide range of underlying etiologies.

Testicular striations represent interstitial infiltration along interlobular septa, which extend from the mediastinum testis and include also vessels and lymphatics.

In geriatric people, the most common cause is interstitial fibrosis. In adolescent individuals, a few of the causes include trauma, orchitis, testicular infarction and primary testicular neoplasms like seminoma, leukemia and non-Hodgkin lymphoma 1.  

  • multiple hypoechoic bands extend through mediastinum testis 1,2

  • color Doppler study

    • normal color flow through striations is seen in benign non-inflammatory conditions like fibrosis

    • increased color flow is mostly seen in acute orchitis

The stability of a unilateral striated testicle over a 1-year follow up is likely reflecting a benign process like testicular fibrosis 2.

This finding can be of little significance in the absence of important clinical findings or color Doppler flow and can be followed up clinically and sonographically 2.

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