Carney triad is a rare combination of tumors that includes paraganglioma, gastric stromal sarcoma, and pulmonary chondroma. It is named after the American pathologist Dr. Robert Carney, who first described the triad in 1977. The tumors are usually benign, but can become malignant in some cases.

The symptoms of Carney triad include:
* Abdominal pain
* Gastrointestinal bleeding
* Gastrointestinal tumors, such as gastric carcinoid tumors, gastrinomas, and pancreatic islet cell tumors
* Endocrine tumors, such as adrenal cortical tumors and thyroid tumors
* Cardiac myxomas
* Skin lesions, such as pigmented nevi and blue nevi
* Skeletal abnormalities, such as Scoliosis and sphenoid wing dysplasia

The exact cause of Carney triad is unknown. However, it is believed to be related to genetic mutations, environmental factors, and/or a combination of both. It is also thought to be associated with a defect in the regulation of hormones, such as growth hormone and insulin-like growth factor.

The treatment for Carney triad typically involves surgery to remove the tumors, followed by chemotherapy and/or radiation therapy. In some cases, hormone therapy may also be recommended. In addition, lifestyle changes such as diet and exercise may be recommended to help reduce the risk of recurrence.

The risk factors for Carney triad include:
* Genetic predisposition: Carney triad is associated with a genetic mutation in the PRKAR1A gene.
* Gender: Carney triad is more common in females than males.
* Age: Carney triad is more common in adults than in children.
* Family history: Individuals with a family history of Carney triad are at an increased risk of developing the condition.
* Exposure to radiation: Exposure to radiation, such as radiation therapy for cancer, may increase the risk of developing Carney triad.

At this time, there is no cure for Carney triad. Treatment typically involves medications to control symptoms, such as anticonvulsants, antipsychotics, and mood stabilizers. Surgery may also be recommended to remove tumors or other abnormal tissue.