What’s going on with the localized bulging of the kidneys?

Localized bulging of the kidneys may be the result of the presence of solid lesions in the kidneys, such as kidney stones, renal cysts, hydronephrosis, renal tumors and other disorders. It is also seen in normal variants of the kidney such as renal columns.
Kidney stones are the result of abnormal accumulation of crystalline material, such as calcium, oxalic acid, uric acid, and cystine in the kidneys. Treatment of kidney stones includes general, symptomatic, and surgical treatment.
Hydronephrosis is a condition in which the renal pelvis and calyces are dilated due to obstruction of the urinary system, retaining urine. Current treatment for hydronephrosis is mainly surgical.
Renal cyst is one of the most common structural abnormalities of the kidney. Its treatment includes cystic fluid aspiration with intracapsular injection of sclerosing agents or surgery.
Renal tumors are one of the most common tumors of the male reproductive system and are treated with radical surgery.
It can also be seen in normal variants of the kidney such as renal column. It is recommended that patients go to regular hospitals in time to improve relevant examinations, such as renal puncture biopsy, imaging, enhanced CT, etc., to determine the cause of the disease, and treat the cause under the guidance of the doctor.