[Actinomycosis Involving Chronic Pancreatitis: A Case Report with Literature Review].
Actinomycosis is a slowly progressive, chronic infectious disease. It is caused by the genus Actinomyces, which are gram-positive anaerobic bacteria. It presents as a mass-like lesion, composed of bacterial nidus and characteristic granulomatous inflammatory fibrosis. As such, it has frequently been mistaken for a malignancy. Surgical resection is a common procedure in these patients prior to a definite diagnosis. Although actinomycosis can occur in a variety of regions, including oral-cervicofacial, thoracic, and abdominopelvic cavities, the involvement of the pancreas is very rare. We report a case of a 44-year-old male with a symptomatic actinomycosis caused by a mass in the tail of the pancreas. The diagnosis was made using an endoscopic ultrasound-guided fine needle aspiration biopsy without surgical resection. After the treatment with antibiotics, the pancreatic mass was confirmed to be resolved on the follow-up computed tomography.
Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea.
Seong Jae
SJ
Yeo
Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea.
Chang Min
CM
Cho
Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea.
Min Kyu
MK
Jung
Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea.
Ki Ju
KJ
Kim
Department of Internal Medicine, Kyungpook National University School of Medicine, Daegu, Korea.
Myung Hi
MH
Kim
Department of Radiology, Kyungpook National University School of Medicine, Daegu, Korea.
Seung Hyun
SH
Cho
Department of Radiology, Kyungpook National University School of Medicine, Daegu, Korea.
Gab Chul
GC
Kim
Department of Pathology, Kyungpook National University School of Medicine, Daegu, Korea.
An Na
AN
Seo
D000196:Actinomycosis / Q000150:complications / Q000175:diagnosis*; D000328:Adult; D000900:Anti-Bacterial Agents / Q000627:therapeutic use; D002760:Cholangiopancreatography, Endoscopic Retrograde; D003937:Diagnosis, Differential; D061765:Endoscopic Ultrasound-Guided Fine Needle Aspiration; D006801:Humans; D008297:Male; D010179:Pancreas / Q000000981:diagnostic imaging / Q000473:pathology; D050500:Pancreatitis, Chronic / Q000175:diagnosis* / Q000188:drug therapy / Q000209:etiology / Q000473:pathology; D014057:Tomography, X-Ray Computed
D000900:Anti-Bacterial Agents
Actinomycosis; Endosonography; Fine needle biopsy; Pancreas