infections
Dog Heartworm Infection
Diagnosis of Dog Heartworm Infection
Removal and examination of a sample of lung tissue Doctors may discover dog heartworm infection when they see a lump in the lungs on a routine chest x-ray. The lump can resemble a lung tumor. Doctors may do specialized radiological tests or take a sample of the lump (biopsy) and examine it under a microscope to be sure that it is not a cancer. 