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Clin Nucl Med
October 2023
Department of Nuclear Medicine, Peking University First Hospital, Beijing, China.
A 56-year-old man presented with a 2-month history of a mass in the right epididymo-testicular region, which exhibited heterogeneous high avidity for 18F-FDG on PET/CT. Malignant tumor was highly suspected, leading to subsequent right orchiectomy and epididymectomy. Histopathological examination revealed the presence of characteristic Michaelis-Gutmann bodies within von Hansemann macrophages, confirming the diagnosis of malacoplakia.
View Article and Find Full Text PDFJ Clin Ultrasound
March 2015
UCSF Department of Radiology, L374, University of California, 505 Parnassus Avenue, San Francisco, CA, 94143-0628.
Testicular malakoplakia is a rare, benign condition that most often occurs in an immunocompromised patient with chronic infection. Its occurrence is acute, with pain and testicular enlargement. Sonography is commonly performed to evaluate the patient for epididymitis or torsion.
View Article and Find Full Text PDFKorean J Urol
April 2013
Department of Urology, Dongguk University College of Medicine, Gyeongju, Korea.
Malacoplakia is a chronic inflammatory disease. The disease mainly affects the urinary bladder, although involvement of extravesical sites is increasingly being documented. Most frequently involved is the urinary tract, particularly the urinary bladder, although the testis, epididymis, lungs, bone, colon, prostate, female genital organs, and retroperitoneum can also be involved.
View Article and Find Full Text PDFPathol Res Pract
May 2011
Department of Pathology, University of Pittsburgh Medical Center, United States.
Idiopathic granulomatous orchitis is a rare inflammatory process of the testis of unknown etiology. It is characterized by presence of non-specific granulomatous inflammation and admixed multinucleated giant cells. It usually presents as a testicular mass which is highly suspicious of malignancy.
View Article and Find Full Text PDFInt Urol Nephrol
September 2010
Department of Pathology, Al Jahra Hospital, P.O. Box 62276, Jahra 02153, Kuwait.
A 67-year-old Saudi man with poorly controlled diabetes-mellitus underwent orchiectomy for a painful left testicular swelling that did not respond to antibiotics. Clinical diagnosis was testicular malignancy. Histologic workup demonstrated extensive involvement of the testis and epididymis by diffuse infiltrate of large histiocytes with eosinophilic granular cytoplasm and numerous Michaelis-Gutmann bodies, which were diagnostic of malakoplakia.
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