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Primary tumors are usually unilateral in sonographic study of seminal vesicles
A low semen volume and a lack of both fructose and liquefaction imply either absent seminal vesicles or ejaculatory duct obstruction
A low semen volume and a lack of both fructose and liquefaction imply either absent seminal vesicles or ejaculatory duct obstruction
The secretions from the seminal vesicle contribute approximately 50% to 80% of the ejaculate volume
rhabdo myosarcoma from certain sites such as the vagina and paratesticular have a better prognosis
regarding neuroblastoma, Children 1 year old or younger have a better survival rate than older children
The site of origin of neuroblastoma is of significance, with better survival noted for nonadrenal primary tumors
Staging of neuroblastoma is an important aspect of management and a significant prognostic variable
calcifications, vascular encasement, or both on preoperative computed tomography may help distinguish neuroblastoma from Wilms tumor
in neuroblastoma Plain radiographs may demonstrate a calcified abdominal or posterior mediastinal mass
Metastases are present in 70% of patients with neuroblastoma at diagnosis
In contrast to neuroblastomas, ganglioneuromas are most often diagnosed in older children
Deletion of the short arm of chromosome 1 (1p) is found in 25% to 35% of neuroblastomas and is an adverse prognostic marker
Neuroblastomas can undergo spontaneous regression
Seventy-five percent of Neuroblastomas arise in the retroperitoneum
Neuroblastoma is known to arise from cells of the neural crest that form the adrenal medulla and sympathetic ganglia
neroblastoma is the most common extracranial solid tumor of childhood
spermatoceles, which are often nonobstructing.
Papillary cystadenomas are less commonly seen in epididymis and may present in conjunction with von Hippel-Lindau (VHL) disease.
Normal testosterone and sperm production by the testis depends on the pulsatile secretion of hypothalamic GnRH and LH and FSH from the anterior pituitary gland.

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