What is the meaning of seminoma?

(SEH-mih-NOH-muh) A type of cancer that begins in germ cells in males. Germ cells are cells that form sperm in males or eggs in females. Seminomas occur most often in the testicle, but they may also occur in other areas of the body, such as the brain, chest, or abdomen. Seminomas tend to grow and spread slowly.

What is rete testis definition?

Listen to pronunciation. (REE-tee TES-tis) A network of small tubes in the testicle that helps move sperm cells (male reproductive cells) from the testicle to the epididymis. The epididymis is where the sperm mature and are stored.

What is hilar soft tissue testis?

Testicular hilum is composed of rete testis and extratesticular connective tissue, most commonly referred to as hilar soft tissue (Figure 1). Rete testis is a network of channels in the testicular hilum, which receives the luminal contents of the seminiferous tubules.

Where do seminomas originate?

Testicular seminoma originates in the germinal epithelium of the seminiferous tubules. About half of germ cell tumors of the testicles are seminomas.

What is testicular seminoma?

Abstract. Testicular seminoma is the most common malignant tumor of the testis. It classically manifests as a painless mass. Radiologic evaluation with high-frequency ultrasonography (US) is critical for diagnosis. Seminomas are usually homogeneously hypoechoic masses at US.

What is the Vasa Deferentia?

The vas deferens, or ductus deferens, is part of the male reproductive system of many vertebrates. The ducts transport sperm from the epididymis to the ejaculatory ducts in anticipation of ejaculation. The vas deferens is a partially coiled tube which exits the abdominal cavity through the inguinal canal.

What is mediastinum testis?

The mediastinum testis is a network of fibrous connective tissue that extends from the top to near the bottom of each testis. It is wider above than below. Mediastinum testis. A diagram of the major components of an adult human testicle, including the following numbered items: 1. Tunica albuginea, 2.

What is seminomas and Nonseminomas?

Many testicular cancers are mixed germ cell tumors, meaning that they have both seminoma and non-seminoma cells. Only tumors that have 100 percent seminoma cells are considered seminomas, while non-seminomas contain different types of cells. Blood tests are one of the ways to determine the type of testicular tumor.

How are seminomas diagnosed?

Diagnosing seminoma is a multi-step process that entails a medical history, physical examination, testicular ultrasound, and blood tests to check for tumor markers. If testicular cancer is suspected based on these test results, a doctor will recommend surgery to remove the testicle and the tumor.

What does pagetoid spread look like?

Pagetoid spread [4]: Presence of atypical melanocytes, round or dendritic shaped, arranged as single cells or small nests, scattered within the epidermis (a.k.a. epidermotropism or pagetoid melanocytosis) Limited pagetoid upward scatter can be expected.

What is a Pagetoid?

Jump to navigation Jump to search. Pagetoid is a term used in dermatology to refer to “upward spreading” of abnormal cells in the epidermis (ie from bottom to top). It is uncommon and a possible indication of a precancerous or cancerous condition. Cells display pagetoid growth when they invade the upper epidermis from below.

What does pagetoid growth in the upper epidermis indicate?

It is uncommon and a possible indication of a precancerous or cancerous condition. Cells display pagetoid growth when they invade the upper epidermis from below. Squamous cell carcinoma, melanoma in situ, Pagetoid Bowen’s disease and other carcinomas can all display pagetoid growth.

What is a Pagetoid tumor?

The term pagetoid (i.e., ‘Paget-like’) is derived from the extramammary Paget’s disease, wherein the large tumour cells are arranged singly or in small clusters within the epidermis and its appendages. These cells are distinguished by a clear halo from the surrounding epithelial cells and a finely granular cytoplasm.