What is Itgcn?

Intratubular germ cell neoplasia (ITGCN) is the precursor lesion for invasive testicular germ cell tumors (TGCTs) of adolescents and young adults. The rising incidence of these tumors has prompted a rigorous investigation of the etiology, diagnosis and management of ITGCN.

Which germ cell tumor arise from Itgcn?

Most germ cell tumors (GCTs) arise from ITGCN. Except for spermatocytic seminoma in adults and teratomas and yolk sac tumor in pediatric patients.

Are seminoma tumors benign?

It is a malignant neoplasm and is one of the most treatable and curable cancers, with a survival rate above 95% if discovered in early stages. Testicular seminoma originates in the germinal epithelium of the seminiferous tubules.

What does GCNIS mean?

Testicular germ cell neoplasia in situ (GCNIS; formerly called intratubular germ cell neoplasia of the unclassified type [1]) is generally considered a precursor of all testicular germ cell tumors (GCTs), except for spermatocytic seminomas in older adult men and yolk sac tumors and mature teratomas in infants.

What is the difference between seminoma and nonseminoma?

Seminomas are very sensitive to radiation therapy. Nonseminoma: This more common type of testicular cancer tends to grow more quickly than seminomas. Nonseminoma tumors are often made up of more than one type of cell, and are identified according to these different cell types: Choriocarcinoma (rare)

Is seminoma malignant?

Seminoma is a malignant germ cell tumor that involves most commonly the testicle or less frequently the mediastinum, the retroperitoneum, or other extra-gonadal sites. They are common among men ages 15-34 years old.

What is Intratubular seminoma?

Summary. Intratubular seminoma (ITS) has been defined as the complete filling of the seminiferous tubules with seminoma cells with no Sertoli cells present. This contrasts with intratubular germ cell neoplasia, unclassified (IGCNU), where the malignant germ cells are interspersed by Sertoli cells.

Is a seminoma painful?

Intratumoral hemorrhage can cause localized pain and tenderness; in other cases, there may be a sensation of heaviness in the gonad. In the initial stages, the symptoms may be vague or completely absent. Seminomas metastasize to the bone, and bone pain is sometimes the only symptom of the tumor [3].

What is a mixed germ cell tumor?

Listen to pronunciation. (mikst jerm sel TOO-mer) A rare type of cancer that is made up of at least two different types of germ cell tumors (tumors that begin in cells that form sperm or eggs). These may include choriocarcinoma, embryonal carcinoma, yolk sac tumor, teratoma, and seminoma.

Which is more common seminoma or nonseminoma?

Nonseminoma: This more common type of testicular cancer tends to grow more quickly than seminomas. Nonseminoma tumors are often made up of more than one type of cell, and are identified according to these different cell types: Choriocarcinoma (rare)

Are seminomas aggressive?

They occur most often in men in their 40s. Anaplastic seminomas are more aggressive and are more likely to metastasize to other parts of the body. Spermatocytic seminomas usually occur in men over 50. The rate of metastasis for this type of cancer is low.

How does a testicular tumor feel?

A painless lump or swelling on either testicle. If found early, a testicular tumor may be about the size of a pea or a marble, but it can grow much larger. Pain, discomfort, or numbness in a testicle or the scrotum, with or without swelling. Change in the way a testicle feels or a feeling of heaviness in the scrotum.

Does itgcn-like histological pattern in nonsyndromic cryptorchidism exist?

An ITGCN-like histological pattern in nonsyndromic cryptorchidism will vanish after the age of 3 years. Even when immunohistochemistry is applied, prepubertal ITGCN is so rarely demonstrated in cryptorchid testes, that it is not plausible that ITGCN generally originates during fetal development in cryptorchidism.

Is intratubular germ cell neoplasia a precursor to testicular germ cell cancer?

Introduction Intratubular germ cell neoplasia (ITGCN) is a precursor to testicular germ cell cancer.

What does IGCNU stand for?

Subdivided into GCNIS (non-specific, most common), intratubular seminoma, intratubular non-seminoma, intratubular yolk sac tumor and intratubular teratoma Formerly known as carcinoma in situ of the testis (CIS), intratubular germ cell neoplasia, unclassified (ITGCN, IGCNU) or testicular intraepithelial neoplasia