The tubuli recti enter the fibrous tissue of the mediastinum, and pass upward and backward, forming, in their ascent, a close network of anastomosing tubes which are merely channels in the fibrous stroma, lined by flattened epithelium, and having no proper walls. From its superior end, the rete testis gives rise to 1220 efferent ductules that penetrate the capsule and connect with the epididymis where sperm cells become mobile and gain the ability to fertilize an egg. We report a case of bilateral rete testisassociated epididymal cyst in patient with abdominal mass. The network of channels formed at the termination of the straight seminiferous tubules in the mediastinum testis. Disease bioinformatics research of rete testis adenocarcinoma has been linked to adenocarcinoma, testicular neoplasms, neoplasms, papillary adenocarcinoma, neoplasm metastasis. Concetti base del computer e della rete, elaborazione testi e foglio elettronico. Rete testis definition of rete testis by the free dictionary. We report 6 cases of dilated rete testis diagnosed by. The mediastinum testis is a network of fibrous connective tissue that extends from the top to near the bottom of each testis. Definition of rete testis nci dictionary of cancer terms national. Scrotal swelling clinically was interpreted as testicular. Its function is to provide a site for fluid reabsorption. Rete testis channels drain into the efferent ductules that pass into the caput epididymis. Male reproductive system introduction grading scheme should be used in documenting commonly occurring lesions in male reproductive tissues if treatmentrelated exacerbation of common background changes is suspected.
Transitions from tumor to rete testis, no evidence of teratoma and no other primary tumor solid, tubular or papillary patterns with clear cut stromal invasion slit like spaces in solid nests of tumor are common. Rete testis definition of rete testis by medical dictionary. Mediastinum testis medical definition merriamwebster. Rete testis the rete testis connects the seminiferous tubules to the ductus efferentes. It is also near the arterial supply of the testis which comes from the testicular artery. This is a benign condition thought to result from the partial or complete obliteration of the efferent ducts. Tubular ectasia of the rete testis is a rare, benign, cystic lesion of the testis.
Other terms have been used for this abnormality, including ectasia, cystic ectasia, tubular ectasia, cystic transformation, or cystic dysplasia of the rete testis. L installazione di piccoli pacchetti software add on nel browser consente all utente di. The activity of the cilia helps to move the spermatozoa along the tube, as they are immobile until they reach the epididymis. It is located within a highly vascular connective tissue in the mediastinum testis pic. Rete testis definition at, a free online dictionary with pronunciation, synonyms and translation. Very rarely give rise to an adenocarcinoma of the rete testis.
It does not have specific imaging features, but may be suggested in the differential of a large. Lampiezza dei canalicoli e delle lacune varia da 20 m a 300 m. Anastomosing network of delicate channels located at testicular mediastinum. Tubular ectasia of rete testis represents dilated testicular mediastinal tubules. Sotto il profilo ecografico il parenchima testicolare presenta minuscoli foci iperecoici. Herein, we present a case of rete testis adenocarcinoma in a 36yearold chinese male. Histologic features evaluated included location of lvi testis versus cord, lvi identified at spermatic cord margin, tumor size, tumor histology, tumor involvement of the rete testis, hilar soft tissue involvement by tumor, presence of germ cell neoplasia in situ, and presence of intratesticular scar. The study of rete testis adenocarcinoma has been mentioned in research publications which can be found using our bioinformatics tool below. It is the counterpart of the rete ovarii in females. Its characteristic ultrasound findings have been well described in the radiologic literature. Tubular ectasia of rete testis radiology reference article. Tubular ectasia of the rete testis is a pathologically benign process with complex and varied aetiology.
The tumor was predominantly composed of irregular small tubules and papillary structures with cuboidal or polygonal cells. Epidemiology this condition is more common in men over the age of 55 years. More common with sometimes subtle intertubular pattern of seminoma. A case of adenocarcinoma of the rete testis accompanied by. It is a male gonad that is homologous with the ovary in the female. The testis is covered by a layer of dense connective tissue tunica albuginia from which emerge several septa of connective tissue which define compartments where are located the seminiferous tubules. Il termine vpn identifica una rete virtuale privata virtual private. Histologic diagnosis is difficult, and in the past the tumor may have been incorrectly identified in a number of cases, leading to misleading. This condition is more common in men over the age of 55 years. Rete testis medical definition merriamwebster medical. Seminiferous tubules converge into rete testis at hilum, anastomose into efferent tubules.
Mediastinum testis definition of mediastinum testis by. The rete testis is the network of interconnecting tubules where the straight seminiferous tubules the terminal part of the seminiferous tubules empty pic. Testicular teratoma, mimicking a simple testicular cyst, in an infant. Structure of the testis and epididymis in interactive.
Per evitare di confondere lectasia della rete testis con vasi sanguigni del. A network of small tubes in the testicle that helps move sperm cells male reproductive cells from the testicle to the epididymis. Stampa dalle applicazioni software in uso driver della stampante windows. Information and translations of rete testis in the most comprehensive dictionary definitions resource on the web. Discussion cystic dilatation of the rete testis is a benign entity that can usually be diagnosed based on its typical sonographic appearance. Increases risk of relapse in a univariate analysis.
Iscrizioni, programma, profili dei relatori e altri dettagli allindirizzo. In peripheral area of the tumor, the remaining normal rete testis and. The rete testis is an anastomosing network of delicate tubules located in the hilum of the testicle mediastinum testis that carries sperm from the seminiferous. This program was designed to help urology residents and fellows familiarize. There is still little knowledge about its etiology and pathogenesis. These spermatozoacontaining cysts communicate with the tubular system into the epididymis. The seminiferous tubules drain into a network of tubes known as rete testis which leave the testicle to drain into the head of the epididymis at different levels. Testis, rete testis dilation national toxicology program nih. Rete testis simple english wikipedia, the free encyclopedia. Rete testis canali drenano nella efferent ductules che passano nella caput epididimo. The testis is situated in every half of the scrotal sac. If the fluid is not absorbed, the person can be infertile gallery. The rete testis have concentrated sperm and fluid in them, and they help the epididymis to absorb this fluid. Rete testis is a network of small tubules found in the part of the testicle that carries sperm.
The rete testis is a dilated intratesticular structure located directly under the tunica albuginea at the cranial pole of the testis fig. Testis article about testis by the free dictionary. Cystadenoma of the rete testis radiology reference article. It must be differentiated from neoplastic disease of the testis clinically with patient age. It is lined by ciliated cuboidal epithelial cells that also contain microvilli. Cystadenoma of the rete testis is a rare cystic testicular tumor. It possesses the various functions, such as generation of spermatozoa and secretion of testosterone or dihydrotestosterone a male hormone, it is responsible for the development and maintenance of the secondary sex. Most patients with adenocarcinoma of rete testis present with scrotal pain andor swelling and frequently tumors are masked by a hydrocele, hematocele, inguinoscrotal hernia, epididymitis etc. Occasionally afflicted by adenomatous hyperplasia of the rete testis. The epithelial cells form a single layer that lines the inner surface of the. Rete testis article about rete testis by the free dictionary. Testis, rete testis dilation in a male b6c3f1 mouse from a chronic study. Tubular ectasia of the rete testis is a rare benign entity that is often associated with some degree of obstruction at the epididymal level, either posttraumatic or postinfectious in nature. Esse registrano dunque i luoghi visitati e i profili degli spostamenti.
Tubular ectasia of rete testis radiology reference. Human anatomy universita degli studi di milano statale. Learn vocabulary, terms, and more with flashcards, games, and other study tools. The mediastinum supports the rete testis and blood vessels of the testis in their passage to and from the substance of the gland. The epididymis is a large structure that extends along the entire posterior margin of the testes from the superior pole to the inferior. Primary adenocarcinoma of rete testis with distinct.
383 489 1540 1194 1272 867 1014 804 1491 243 834 325 301 1315 282 512 562 708 167 483 795 637 234 1492 13 924 59 46 1492 612