Infection or inflammation of epididymis &/or testis
IMAGING
General Features
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Dasu N et al: Amiodarone induced epididymo-orchitis. Urol Case Rep. 26:100929, 2019
Nepal P et al: "The great nasquerader": sonographic pictorial review of testicular tuberculosis and its mimics. J Clin Imaging Sci. 9:27, 2019
Quach HT et al: Severe epididymo-orchitis and encephalitis complicating anti-PD-1 therapy. Oncologist. 24(7):872-6, 2019
Rebik K et al: Scrotal ultrasound. Radiol Clin North Am. 57(3):635-48, 2019
Bertolotto M et al: Multiparametric US for scrotal diseases. Abdom Radiol (NY). 43(4):899-917, 2018
Hamidi M et al: Lesions without borders: scrotal lesions that involve both the intratesticular and extratesticular regions. AJR Am J Roentgenol. 210(2):W70-9, 2018
El Hamrouni I et al: Unusual case of testicular tuberculosis. J Belg Soc Radiol. 101(1):17, 2017
Fonseca EKUN et al: Inferno sign in epididymo-orchitis. Abdom Radiol (NY). 42(12):2955-6, 2017
Bertolotto M et al: Pitfalls in imaging for acute scrotal pathology. Semin Roentgenol. 51(1):60-9, 2016
Bertolotto M et al: Grayscale and color Doppler features of testicular lymphoma. J Ultrasound Med. 34(6):1139-45, 2015
Avery LL et al: Imaging of penile and scrotal emergencies. Radiographics. 33(3):721-40, 2013
Boettcher M et al: Differentiation of epididymitis and appendix testis torsion by clinical and ultrasound signs in children. Urology. 82(4):899-904, 2013
D'Andrea A et al: US in the assessment of acute scrotum. Crit Ultrasound J. 5 Suppl 1:S8, 2013
Yusuf G et al: Global testicular infarction in the presence of epididymitis: clinical features, appearances on grayscale, color Doppler, and contrast-enhanced sonography, and histologic correlation. J Ultrasound Med. 32(1):175-80, 2013
Aganovic L et al: Imaging of the scrotum. Radiol Clin North Am. 50(6):1145-65, 2012
Yagil Y et al: Role of Doppler ultrasonography in the triage of acute scrotum in the emergency department. J Ultrasound Med. 29(1):11-21, 2010
Thinyu S et al: Role of ultrasonography in diagnosis of scrotal disorders: a review of 110 cases. Biomed Imaging Interv J. 5(1):e2, 2009
Tracy CR et al: Diagnosis and management of epididymitis. Urol Clin North Am. 35(1):101-8; vii, 2008
Aso C et al: Gray-scale and color Doppler sonography of scrotal disorders in children: an update. Radiographics. 25(5):1197-214, 2005
Dogra V et al: Acute painful scrotum. Radiol Clin North Am. 42(2):349-63, 2004
Chung JJ et al: Sonographic findings in tuberculous epididymitis and epididymo-orchitis. J Clin Ultrasound. 25(7):390-4, 1997
Gordon LM et al: Traumatic epididymitis: evaluation with color Doppler sonography. AJR Am J Roentgenol. 166(6):1323-5, 1996
Related Anatomy
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Related Differential Diagnoses
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References
Tables
Tables
KEY FACTS
Terminology
Imaging
Top Differential Diagnoses
Clinical Issues
TERMINOLOGY
Synonyms
Orchitis, epididymoorchitis
Definitions
Infection or inflammation of epididymis &/or testis
IMAGING
General Features
Ultrasonographic Findings
Imaging Recommendations
DIFFERENTIAL DIAGNOSIS
PATHOLOGY
General Features
Microscopic Features
CLINICAL ISSUES
Presentation
Demographics
Natural History & Prognosis
Treatment
DIAGNOSTIC CHECKLIST
Consider
Image Interpretation Pearls
Selected References
Dasu N et al: Amiodarone induced epididymo-orchitis. Urol Case Rep. 26:100929, 2019
Nepal P et al: "The great nasquerader": sonographic pictorial review of testicular tuberculosis and its mimics. J Clin Imaging Sci. 9:27, 2019
Quach HT et al: Severe epididymo-orchitis and encephalitis complicating anti-PD-1 therapy. Oncologist. 24(7):872-6, 2019
Rebik K et al: Scrotal ultrasound. Radiol Clin North Am. 57(3):635-48, 2019
Bertolotto M et al: Multiparametric US for scrotal diseases. Abdom Radiol (NY). 43(4):899-917, 2018
Hamidi M et al: Lesions without borders: scrotal lesions that involve both the intratesticular and extratesticular regions. AJR Am J Roentgenol. 210(2):W70-9, 2018
El Hamrouni I et al: Unusual case of testicular tuberculosis. J Belg Soc Radiol. 101(1):17, 2017
Fonseca EKUN et al: Inferno sign in epididymo-orchitis. Abdom Radiol (NY). 42(12):2955-6, 2017
Bertolotto M et al: Pitfalls in imaging for acute scrotal pathology. Semin Roentgenol. 51(1):60-9, 2016
Bertolotto M et al: Grayscale and color Doppler features of testicular lymphoma. J Ultrasound Med. 34(6):1139-45, 2015
Avery LL et al: Imaging of penile and scrotal emergencies. Radiographics. 33(3):721-40, 2013
Boettcher M et al: Differentiation of epididymitis and appendix testis torsion by clinical and ultrasound signs in children. Urology. 82(4):899-904, 2013
D'Andrea A et al: US in the assessment of acute scrotum. Crit Ultrasound J. 5 Suppl 1:S8, 2013
Yusuf G et al: Global testicular infarction in the presence of epididymitis: clinical features, appearances on grayscale, color Doppler, and contrast-enhanced sonography, and histologic correlation. J Ultrasound Med. 32(1):175-80, 2013
Aganovic L et al: Imaging of the scrotum. Radiol Clin North Am. 50(6):1145-65, 2012
Yagil Y et al: Role of Doppler ultrasonography in the triage of acute scrotum in the emergency department. J Ultrasound Med. 29(1):11-21, 2010
Thinyu S et al: Role of ultrasonography in diagnosis of scrotal disorders: a review of 110 cases. Biomed Imaging Interv J. 5(1):e2, 2009
Tracy CR et al: Diagnosis and management of epididymitis. Urol Clin North Am. 35(1):101-8; vii, 2008
Aso C et al: Gray-scale and color Doppler sonography of scrotal disorders in children: an update. Radiographics. 25(5):1197-214, 2005
Dogra V et al: Acute painful scrotum. Radiol Clin North Am. 42(2):349-63, 2004
Chung JJ et al: Sonographic findings in tuberculous epididymitis and epididymo-orchitis. J Clin Ultrasound. 25(7):390-4, 1997
Gordon LM et al: Traumatic epididymitis: evaluation with color Doppler sonography. AJR Am J Roentgenol. 166(6):1323-5, 1996
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