calcification testicule causes


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PDF Faut-il Surveiller les Microcalcifications Testiculaires

4 déc 2001 · L'obstruction partielle ou totale des tubes séminifères par les microcalcifications testiculaires serait à l'origine de l'insuffisan- ce 

PDF Les microcalcifications testiculaires conduite à tenir

21 fév 2011 · Résumé Les microcalcifications testiculaires (MCT) correspondent à la présence de concrétions calciques dans la lumière des tubes 

PDF Les microlithiases testiculaires : attitude pratique

18 jui 2008 · Il repose sur la notion de calci- fications de moins de 2 mm de diamètre sans cône d'ombre diffuses avec plus de 5 calcifications par champ 

PDF Testicular Microlithiasis: What Should You Recommend?

Two types of testicular calcifications have been described: hematoxylin bodies and la-mellated calcifications Microliths may oc-cupy as many as one-third of the seminifer-ous tubules and may range in size from 50 to 400 μm They do not typically affect Leydig cells

  • Qu'est-ce qu'une Microlithiase testiculaire ?

    Calcifications ponctuées qui sont présentes dans au moins un testicule.

  • Qu'est-ce qu'une calcification testiculaire ?

    Elles correspondent à la présence de concrétions calciques dans la lumière des tissus séminifères.4 déc. 2001

  • L'atrophie testiculaire : la diminution de taille du testicule, encore appelée atrophie testiculaire, résulte en particulier des oreillons (maladie virale infantile affectant les glandes salivaires et généralement sans conséquence chez l'enfant, mais potentiellement grave quand contractée à l'âge adulte.

Les microcalcifications peuvent être un état précancéreux ou associées à des affections tumorales. Elles sont fréquemment retrouvées sur les testicules cryptorchides ou dans des affections plus rares comme le syndrome de klinefelter mais également sur des testicules normaux.

Epidemiology

Testicular microlithiasis is seen in up to 0.6% of patients undergoing scrotal ultrasound. Some reports suggest that it may present in up to 5.6% of the general population between 17 and 35 years of age 3. Although testicular microlithiasis is present in ~50% of men with a germ cell tumor, it is very common in patients without cancer, and a direct

Clinical Presentation

Testicular microlithiasis per se is asymptomatic and is usually found incidentally when the scrotal content is examined with ultrasound, or found in association with symptomatic conditions. radiopaedia.org

Pathology

The microcalcifications are likely a marker of tubular degeneration, but not a risk factor for tubular degeneration 10. radiopaedia.org

Radiographic Features

Ultrasound is the modality of choice for examining the testes. Microlithiasis appears as small non-shadowing hyperechoic foci ranging in diameter from 1-3 mm. These foci, often uniformly sized, occur within the testicular parenchyma and although usually distributed uniformly, may be distributed peripherally or segmentally 2. One classification sche

Treatment and Prognosis

Testicular microlithiasis is in itself asymptomatic and benign. A relationship with testicular tumors, in particular germ cell tumors (GCTs) is controversial. An ~12 fold increased risk of GCT in symptomatic testes with microlithiasis has been reported (with microlithiasis found in approximately 50% of GCT cases), however, no increased risk has bee

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