Infundibular narrowing

Tetralogy of Fallot (TOF) is a type of heart defect present at birth. Symptoms at birth may vary from none to severe. [Source: Wikipedia ]

Synonyms

Infundibular stenosis

Subtypes

Infundibular amputation

May Be Caused by

 Common

Acute pyelonephritis

Hemorrhage

Normal variant

Renal cell carcinoma

Renal sinus lipomatosis

Renal sinus mass

Transitional cell carcinoma

Trauma

 Uncommon

Acute focal bacterial nephritis

Angiomyolipoma

Brucellosis

Congenital infundibular stenosis

Extrarenal pelvis

Extrinsic compression

Inflammatory stricture

Lymphoma

Parapelvic renal cyst

Partial nephrectomy

Renal abscess

Renal infarct

Squamous cell carcinoma

Tuberculosis