Kidney mass causes

Cardiovascular	No underlying causes
Chemical/Poisoning	No underlying causes
Dental	No underlying causes
Dermatologic	No underlying causes
Drug Side Effect	No underlying causes
Ear Nose Throat	No underlying causes
Endocrine	No underlying causes
Environmental	No underlying causes
Gastroenterologic	No underlying causes
Genetic	No underlying causes
Hematologic	No underlying causes
Iatrogenic	No underlying causes
Infectious Disease	No underlying causes
Musculoskeletal/Orthopedic	No underlying causes
Neurologic	No underlying causes
Nutritional/Metabolic	No underlying causes
Obstetric/Gynecologic	No underlying causes
Oncologic	No underlying causes
Ophthalmologic	No underlying causes
Overdose/Toxicity	No underlying causes
Psychiatric	No underlying causes
Pulmonary	No underlying causes
Renal/Electrolyte	No underlying causes
Rheumatology/Immunology/Allergy	No underlying causes
Sexual	No underlying causes
Trauma	No underlying causes
Urologic	No underlying causes
Miscellaneous	No underlying causes

Metastasis Non-Hodgkin's lymphoma Benign tumors, such as oncocytoma, renal adenoma, or angiomyolipoma Pyelonephritis: Acute or chronic Cyst Infarction Abscess Sarcoma Wilms tumor Von Hippel-Lindau Birt-Hogg-Dube syndrome Hereditary leiomyomatosis Succinate dehydrogenase (SDH)-associated familial cancer Tuberous sclerosis Neuroblastoma Cystic nephroma Angiomyolipoma