Treatment of Internal Hemorrhoids by Endoscopic Sclerotherapy with Aluminum Potassium Sulfate and Tannic Acid

<div>Injection needle. Upper: endoscopic injection needle (25G blunt needle with a length of 3 mm, Top Corporation). Lower: injection needle exclusive for ALTA (25G blunt needle with a length of 38 mm, Nipro Corporation).</div>

Diagnostic and Therapeutic Endoscopy

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Figure 1

Figure 1: Treatment of Internal Hemorrhoids by Endoscopic Sclerotherapy with Aluminum Potassium Sulfate and Tannic Acid 