Author Archives: Dr. Li

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About Dr. Li

I am a professional surgeon based in Beijing, China.

Main Symptoms of Glandular Cystitis

Glandular cystitis is a chronic irritation that turns normal bladder lining into tiny mucus-secreting glands. It grows slowly, so symptoms mimic a stubborn bladder infection that keeps coming back. Burning is the first clue. It stings at the start of the stream and lingers afterward, even when urine looks clear. Urgency and frequency team up. You dash every hour, yet only a small amount comes out each time, and the urge returns fast. Pelvic pressure sits low. It feels like a mild cramp or heavy balloon above the pubic bone that eases right after you pee and creeps back as... Learn more

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Main Symptoms of Renal Hamartoma

Renal hamartoma (also called angiomyolipoma) is a benign mix of fat, blood vessels, and muscle in the kidney. Most stay quiet, but if they grow or bleed they send clear signals. Painless flank ache is the early clue. It feels like a dull bruise below the ribs on one side and can throb after exercise or long sitting. Sudden severe pain means bleeding. The tumor’s fragile vessels burst, and the kidney swells fast—like a blow to the back that doesn’t fade. Blood may appear. Urine can turn light pink or contain small clots, often without any burning. A swollen lump... Learn more

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  1. Main Symptoms of Renal Pelvis Tumor
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  5. Main Symptoms of Bladder Cancer
  6. Main Symptoms of Urethral Cancer

Main Symptoms of Clear-Cell Kidney Cancer

Clear-cell kidney cancer grows silently inside the kidney filter. Early tumors rarely hurt, so the first clues usually show up in blood tests or urine color. Painless blood is the hallmark. Urine can turn light pink, rust-brown, or contain small clots—often on and off, so many blame infection first. Flank ache creeps in later. A dull, steady throb below the ribs can spread to the groin if the tumor gets big or bleeds. Low-grade fever or night sweats can appear. You feel cold one minute, hot the next, yet the thermometer rarely spikes high. Weight loss and fatigue tag along.... Learn more

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Main Symptoms of Renal Tuberculosis

Renal tuberculosis happens when TB bacteria settle in the kidney. The infection moves slowly, so early clues feel like a stubborn bladder bug that keeps coming back. Burning that never leaves is the first hint. Urination stings at the start and lingers, even after several courses of regular antibiotics. Frequency climbs. You dash every hour, yet only a spoonful comes out each time, and the urge returns fast. Blood shows up quietly. Urine can turn light pink, tea-brown, or contain small clots, often without any pain. Flank ache creeps in. A dull, steady throb below the ribs can spread to... Learn more

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Main Symptoms of Renal Pelvis Tumor

A renal pelvis tumor is a rare growth in the kidney’s collecting funnel. Because it sits right where urine pools, the first warnings usually show up in the pee. Painless blood is the hallmark. Urine turns pink, rust, or contains small clots, and the color often comes and goes, so many blame infection at first. Flank ache creeps in. A dull, steady throb below the ribs can spread to the groin as the tumor blocks urine flow or clots pass. Urgency and frequency climb. You dash every hour, yet only a small amount comes out each time. Stream changes show... Learn more

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  6. Main Symptoms of Urethral Polyp