Tumors in Hamsters

Hamsters have relatively short lifespans, living on average 2 to 3 years. Like humans, hamsters are more susceptible to age-related diseases such as cancer as they mature. Tumors are quite common in elderly hamsters.
  1. Types

    • Tumors can be located internally, such as in the bladder, or externally, appearing as a lump on the skin. All tumors can be either benign or malignant.

    Identification

    • The presence of tumors in hamsters often is accompanied by loss of appetite, lethargy, weight loss, change in personality and sometimes hair loss or bleeding sores.

    Considerations

    • Female hamsters are more prone to developing internal, cancerous tumors due to their complex reproductive systems, according to PopularPets.net.

    Theories and Speculation

    • The most common areas in which hamsters develop tumors appear to be on the skin and within the thyroid and adrenal glands, according to Ask-The-Vet.com.

    Expert Insight

    • According to the Animal Health Center, there is a chance that a skilled veterinarian can surgically remove small external tumors. Internal tumors are less likely to be treated with surgery.