Diagnosis and Treatment > Intervention > Orchidectomy
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Memorial University Medical Center, Savannah, Georgia, USA
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Pediatric Endocrinology and Diabetes Center, Kalispell Regional Medical Center, Kalispell, Montana, USA
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Laboratory of Pathology, Memorial University Medical Center, Savannah, Georgia, USA
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Summary
Steroid hormones are essential for the survival of all mammals. In adrenal glands and gonads, cytochrome P450 side chain cleavage enzyme (SCC or CYP11A1), catalyzes conversion of cholesterol to pregnenolone. We studied a patient with ambiguous genitalia by the absence of Müllerian ducts and the presence of an incompletely formed vagina, who had extremely high adrenocorticotropic hormone (ACTH) and reduced pregnenolone levels with enlarged adrenal glands. The testes revealed seminiferous tubules, stroma, rete testis with interstitial fibrosis and reduced number of germ cells. Electron microscopy showed that the patient’s testicular mitochondrial size was small with little SCC expression within the mitochondria. The mitochondria were not close to the mitochondria-associated ER membrane (MAM), and cells were filled with the microfilaments. Our result revealed that absence of pregnenolone is associated with organelle stress, leading to altered protein organization that likely created steric hindrance in testicular cells.
Learning points:
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Testes revealed seminiferous tubules, stroma, rete testis with interstitial fibrosis and reduced number of germ cells;
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Testicular mitochondrial size was small with little SCC expression within the mitochondria;
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Absence of pregnenolone is associated with organelle stress.
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Summary
Testicular adrenal rest tumours (TARTs) are benign ACTH-dependent tumours that occur in males with congenital adrenal hyperplasia (CAH) and if left untreated can destroy testicular tissue. Corticosteroid suppressive treatment could result in the regression of these testicular tumours. We present a patient with bilateral large TARTs as a consequence of poor compliance to treatment and follow-up for his CAH, who consequently had to have bilateral orchidectomies and prosthesis replacement.
Learning points
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TARTs are frequently seen in males with CAH, and can be misdiagnosed as primary testicular cancer.
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Patient compliance to treatment and follow-up are necessary to reduce the risk of testicular damage as a result of TARTs in patients with CAH.
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Boys with CAH should have periodic ultrasonographic screening from before adolescent age for early detection of TARTs.
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Regular monitoring of renin, 17-hydroxyprogesterone and androgens levels is required to assess corticosteroid suppressive treatment.
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Patients with CAH should be offered psychological support and information concerning CAH support groups.
First Surgical Department of General Hospital of Athens ‘Georgios Gennimatas’, Alpha Institute of Biomedical Sciences (AIBS), Department of Pathology, Mesogeion 154, Athens 15669, Greece
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Summary
Until now, less than ten cases of extra-adrenal chromaffin cell tumors have been reported to be localized to the spermatic cord area. All published studies report benign tumors with a diameter <2–3 cm and no invasion of the testis. In this article, we present one case of a giant malignant paraganglioma in the testis of a patient who had initially been operated for a giant mass in the scrotum. The mass developed in approximately 4 months. This is the first study reporting the following findings: i) paraganglioma was found exclusively in the testis, invading the testicle and not the spermatic cord, ii) it was malignant with lung metastasis, and iii) its size was 17.5 cm×10 cm×9.5 cm. We present the first – giant – malignant paraganglioma. Moreover, it is the first case report of a paraganglioma in the testis.
Learning points
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This is the first study reporting the following findings:
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Paraganglioma found exclusively in the testis, invading the testicle and not the spermatic cord.
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It is malignant with lung metastasis.
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It is of the size 17.5 cm×10 cm×9.5 cm.
