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What is desmoplastic tumor?
26 January 2026
This is a rare type of cancer that usually starts in the tissue lining the inside of the abdomen and pelvis, known as the peritoneum, although it can also spread to other organs in the body, such as the colon, liver, and bladder.
The desmoplastic tumor is most common in male children and young adults, although it can affect anyone.
It is also known as a type of soft tissue sarcoma due to the number of cancerous cells produced in the connective tissues.
While the cause of the desmoplastic tumor is unknown, it is understood that it begins with a genetic abnormality, generating a group of cancer cells that begin to multiply out of control, accumulating and forming tumors, with the capacity to metastasize and spread to other bodily areas.
Signs and symptoms Desmoplastic Tumor
The symptoms of this type of tumor depend on the location where the cancer cells develop, but it generally develops in the abdomen, manifesting the following symptoms:
- Abdominal lump
- Cramps
- Diarrhea episodes
- Abdominal cramps/colic
- Constipation
- Abdominal distention/bloating
- Nausea
- Problems urinating
- Difficulty passing gas
- Vomiting
- Ascites (fluid buildup in the abdomen)
Among the possible complications and risks that may occur is that the tumor spreads to the liver, lymph nodes, lungs, or bones once diagnosed.
Diagnosis and treatment Desmoplastic Tumor
The doctor will analyze your symptoms and clinical history, then perform a physical examination and request various studies such as:
- Blood and urine tests
- Ultrasound
- Computed Tomography (CT) scan
- Magnetic Resonance Imaging (MRI)
- Tissue Biopsy
The treatment for desmoplastic tumor will depend on its location, size, and stage of advancement, but it usually includes a combination of:
- Surgery
- Chemotherapy
- Radiation therapy
- Targeted therapy
Our Cancer Center, since its inauguration in 2009, offers chemotherapy and radiation therapy treatments on par with the best medical centers in the world through a comprehensive care model for the oncology patient.
Related centers and departments Desmoplastic Tumor
Sources:
- cancer.org
- cancer.net
- cancer.gov
- tmcaz.com
- stjude.org
- mayoclinic.org
- medigraphic.com
- Brito PCA, Sánchez LL, Hernández PJC, et al. Tumor intrabdominal desmoplásico de células pequeñas redondas. Reporte de un caso. Invest Medicoquir. 2017;9(2):301-309.
- Miraglia E, GerezEM, Gómez SMS, et al. Tumor desmoplásico de células pequeñas y redondas: un caso inusual en tejidos blandos. Med Cutan Iber Lat Am. 2017;45(3):220-223.
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