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Lege Artis Medicinae

JUNE 21, 2006

[MUMMIFIED ANCYLOSTOMA DUODENALE IN THE DUODENUM CAUSING SEVERE ANAEMIA]

KOVÁCS Valéria, SZABÓ Andrea, GODA Mária, MAGYAR Éva, RÁCZ István

[INTRODUCTION - We report on a patient with the remains of a mummified hookworm (Ancylostoma duodenale) found in his duodenal bulb which was later successfully removed with a polypectomy snare. CASE PRESENTATION - An 81-year-old man who took 100 mg aspirin daily was admitted because of severe iron-deficiency anaemia. After transfusion with 5 units of packed red blood cells upper endoscopy was performed. On the anterior wall of the duodenal bulb an 8 to10 mm long thread-like foreign body was found embedded in a sessile polyp-like mucosal protuberation with ulcerated inner margin. The entire pathologic structure was removed by mucosectomy. Histologically the thread-like body was found to be a lifeless female Ancylostoma duodenale containing a large amount of eggs and the surrounding ulcerated mucosa was also deeply infiltrated by hookworm particles. Follow-up endoscopy after four months showed normal gastroduodenal mucosa. CONCLUSION - An interesting case of hookworm infection is reported where an old infection caused chronic mucosal injury with reactive inflammation and mucosal ulceration. Aspirin therapy provoked chronic occult bleeding causing severe anaemia. With the endoscopic removal of the unusual structure total mucosal and clinical healing was achieved.]