Kidney mass causes

Cardiovascular	Renal infarction, Arteriosclerotic renal lesions, Renal hematoma, Renal vein thrombosis, Adrenal hemorrhage, Adrenal apoplexy
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	Primary hyperaldosteronism
Environmental	No underlying causes
Gastroenterologic	Hepatorenal syndrome
Genetic	Von Hippel-Lindau syndrome, Tuberous sclerosis, Birt-Hogg-Dube syndrome, Hereditary leiomyomatosis, Succinate dehydrogenase (SDH)-associated familial cancer, Dromedary hump, Polycystic kidney disease, Infantile polycystic kidney disease, Multicystic dysplastic kidneys
Hematologic	No underlying causes,
Iatrogenic	No underlying causes
Infectious Disease	Renal abscess, Pyelonephritis, Hydatid cyst, Renal tuberculosis, Waterhouse-Friderichsen syndrome, Adrenal tuberculosis, Perinephric abscess, Perinephritis
Musculoskeletal/Orthopedic	No underlying causes
Neurologic	No underlying causes
Nutritional/Metabolic	No underlying causes
Obstetric/Gynecologic	Ureteric obstruction, Corpus luteum cyst, Pregnancy
Oncologic	Benign: Renal hemangioma, Adrenal hemangioma, Renal hamartoma, Angiomyolipoma, Renal teratoma, multilocular cystic nephroma Malignant: Clear cell tumor, Papillary renal cell carcinoma, Clear cell papillary renal cell carcinoma, Multiocular cystic renal cell carcinoma, Chromophobe renal cell carcinoma, Collecting duct carcinoma, Cancer of the renal pelvis, Renal sarcomas, Renal medullary carcinoma, Lymphoma, Neuroendocrine tumor, Wilms tumor, Non-Hodgkin's lymphoma, Oncocytoma, Renal adenoma, Neuroblastoma, Sarcoma, Cystic nephroma, Pheochromocytoma, Adrenal cortical adenoma, Burkitt's lymphoma, Adrenal cortex carcinoma, Renal lymphoblastoma, Renal fibroma, Transitional cell carcinoma, Renal fibrosarcoma, Retroperitoneal lymphoma, Renal papillary cystadenoma, Kaposis renal parenchymal infiltrate, Kidney leiomyoma, Kidney leiomyosarcoma, Kidney lymphangioma, Renal embryocarcinoma, Adrenal incidentaloma, Renal incidentaloma, Renal medullary carcinoma, Adrenal metastases, Retroperitoneal fibrosis
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	Renal subcapsular rupture, Kidney rupture
Urologic	Renal cyst, Hydronephrosis, Ureter obstruction, Medullary cystic disease complex
Miscellaneous	Sarcoidosis, Adrenal amyloidosis, Adrenal infiltration, Kidney compensatory hypertrophy, Kidney replacement lipomatosis, Adrenal cortical hypertrophy, Perirenal fat entrapment