Author Archives: Dr. Li

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About Dr. Li

I am a professional surgeon based in Beijing, China.

What Are the Symptoms of Retroperitoneal Fibrosis?

Retroperitoneal fibrosis is a rare disorder in which fibrous tissue proliferates in the retroperitoneal space, gradually encasing the abdominal aorta, ureters, and adjacent structures. Onset is insidious and early complaints are non-specific, so diagnosis is often delayed. Dull, persistent painDeep, aching discomfort is the most frequent first symptom. Pain is usually felt in the flank, lower back, or iliac fossa, may radiate to the groin or anterior thigh, and is characteristically unrelieved by rest or change of posture; NSAIDs give only temporary relief. Constitutional symptomsLow-grade fever, fatigue, anorexia, weight loss, and general malaise accompany the inflammatory phase in more than... Learn more

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What Are the Symptoms of Abdominal Abscess?

An abdominal abscess is a localized collection of pus within the abdominal cavity, most often caused by bacterial infection. Onset can be gradual or rapid, and clinical presentations differ by site and size, but several typical features are usually present. Fever and chillsA swinging or spiking fever is common, frequently accompanied by chills or rigors as the body responds to ongoing infection . Abdominal painPersistent, deep-seated pain is the hallmark. It may be dull or sharp, localized or diffuse, and often intensifies on movement, coughing, or palpation . Gastro-intestinal upsetNausea, vomiting, loss of appetite, and sometimes constipation are frequent associated... Learn more

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What Are the Symptoms of Inguinal Hernia?

An inguinal hernia occurs when tissue, such as part of the intestine, protrudes through a weak spot in the abdominal muscles in the groin area. The symptoms can vary depending on the size and type of hernia, but commonly include the following: Visible or palpable bulgeA soft swelling appears in the groin, often more noticeable when standing, coughing, or straining. It may disappear when lying down . Discomfort or painPatients may feel a dull ache, heaviness, or burning sensation in the groin, especially when bending, lifting, or coughing. Pain may also radiate to the scrotum in males . Groin pressure... Learn more

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What Are the Symptoms of External Abdominal Hernia?

External abdominal hernia refers to protrusion of peritoneum and abdominal contents through a congenital or acquired defect in the abdominal wall. Its manifestations vary with type and stage but usually share several core features. Visible or palpable lumpA soft bulge appears at the hernia site—most commonly the groin, umbilicus, or a previous surgical scar—and enlarges on standing, coughing, or straining; it may reduce or disappear when the patient lies down . Local discomfortPatients often report a dull ache, heaviness, or dragging sensation that worsens with prolonged standing or physical exertion and eases at rest . Gastro-intestinal symptomsWhen bowel is partially... Learn more

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What Are the Symptoms of Psoas Abscess

Psoas abscess is a purulent collection within the psoas muscle, usually spreading from spinal, urinary, or gastrointestinal infections. Clinical presentation is often insidious and easily missed: “Flank” or lower-back painDull, persistent ache that radiates to the anterior hip or groin; movement, walking, or hip extension markedly worsens the pain. Flexion contracture of the hipInvoluntary flexion and external rotation relieve tension on the psoas sheath, so patients walk with a limp or cannot fully straighten the leg. Palpable or visible massA tender, sausage-shaped swelling may be felt below the inguinal ligament or in the lateral flank, especially if the abscess is... Learn more

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