Heterologous Mesothelioma

An infrequent subtype of an already rare cancer, heterologous mesothelioma is less understood than the disease’s various other forms. because only a handful of cases have been documented in medical literature, researchers are still debating an absolute definition of the term, and have yet to determine statistics for its true incidence and survival rates.

the clinical characteristics of heterologous mesothelioma are not much different from other types of mesothelioma. what makes this subtype unique is its histology, or the types and visible structure of the mesothelioma cells present within the tumor.

heterologous mesothelioma tumors are peculiar because they contain bodily tissues different from the tissues in which they form. recorded heterologous elements in mesothelioma tumors include bone, cartilage and soft tissues. as more cases of heterologous mesothelioma emerge, researchers aim to define the term more accurately and uncover how this histological subtype affects the course of mesothelioma treatment and patient survival.

Omental Mesothelioma

omental mesothelioma is a types of mesothelioma that develops in the omentum, a sheet of fatty tissue in the abdomen that hangs in front of the intestines like an apron. in addition to storing fat and protecting organs, the omentum holds nutrients and prevents internal infections from spreading. the omentum is covered by the peritoneum and, like the peritoneum, contains mesothelial cells which can become cancerous.

omental mesothelioma is usually the result of peritoneal mesothelioma spreading into the omentum. although its extremely rare, it is also possible for mesothelioma to develop in the omentum directly rather than spread to it from another area. to date, fewer than five primary omental mesothelioma cases have been reported in literature. because it is so rare and doctors dont know much about the cancer, it is difficult to diagnose and effectively treat. but in some cases, surgery and chemotherapy have proven successful.

Testicular Mesothelioma

Testicular mesothelioma is the rarest form of malignant mesothelioma, a cancer caused by asbestos exposure. To date, less than 100 cases of this type of mesothelioma have been reported.

Testicular mesothelioma develops in the membranous lining that surrounds the testicle, the tunica vaginalis, which provides protection and support for the reproductive organ.