Assoc. Prof. Preeyacha Pacharn, M.D.

Division : Diagnostic Radiology, Department of Radiology

Specialty groups : Pediatric Radiology

Languages : Thai, English

Field of interests : Pediatric body imaging, Fetal imaging

General Radiology, Siriraj Hospital, Mahidol University
Medical Doctor, Chiangmai University
Thai Subspecialty Board of Advanced Diagnostic Imaging
Clinical fellowship Pediatric body and fetal MRI
Certificate Clinical fellowship in Pediatric Radiology
Higher Graduate Diploma (Ragiology) General Radiology board
Professional memberships
Thai Medical Council, The Royal College of Radiologists of Thailand
The Ultrasound Society of Thailand
The Society of Pediatric Radiology
The Asian & Oceanic Society for Pediatric Radiology
Recent publications
  1. Pira Neungton, M.D., Preeyacha Pacharn, M.D., Kriengkrai Iemsawatdikul, M.D.Unusual Pediatric Abdominal Cysts: A Pictorial Review of Imaging Findings Siriraj Medical Journal Vol70, No3-2018
  2. Kriengkrai Iemsawatdikul MD*, Pira Neungton MD*, Preeyacha Pacharn MD*, Chirawat Sudla Bsc, RT*, Apichart Kraklangchon RT*, Koedsiri Thamnumsook RN*, Piyamaporn Wannurak RN*, Yajai Thrisoontron PN*Efficacy of Fluoroscopic Screen Capture Images in Evaluation of Abnormality during Voiding Cystourethrography in Pediatric PopulationJ Med Assoc Thai Vol. 100 No. 6 2017
  3. Preeyacha Pacharn, Kriengkrai Ieumsawasdikul, Juntima Tanboon, Thomas J Bryce : Undifferentiated embryonal sarcoma of the liver: report of 2 casesSiriraj Med J 2013;65:21-23
  4. Kriengkrai Iemsawatdikul, Preeyacha Pacharn, Poonpit Thongchai, Kulkanya Chokephaibulkit, Songkiat Udompornwattana : Influenza A (H1N1) 2009 Virus Infection in Hospitalized Pediatric Patients in Siriraj Hospital Siriraj Med J 2012;64:84-88
  5. Preeyacha Pacharn, Beth Kline-Fath, Maria A. Calvo-Garcia, Leann E. Linam, Eva I. Rubio Alan S. Brody : Congenital Lung Lesions : Prenatal MRI and Postnatal Findings : Pediatric Radiol (2013)43:1136-43
  6. Preeyacha Pacharn, Punchama Pacharn, Chantima Rongviriyapanich, Thomas J Bryce : Pediatric Pulmonary and Thoacic Aspergillosis Siriraj Med J 2011;63;34-38
  7. Preeyacha Pacharn, Jun Ying, Leann E. Linam, Alan S. Brody, Diane A. Babcock : Sonography in the evaluation of acute appendicitis :Are negative sonographic findings good enough? J Ultrasound Med 2010;29:1749-1755
  8. Sopapan Ngerncham, Pornpat Kittiratsatcha, Preeyacha Pacharn: Risk factors of Pneumothorax during the First 24 Hours of Life J Med Assoc Thai Vol. 88 Suppl.8 2005, S135-141
  9. Bamidele F. Kammen, Katherine K. Matthay, Preeyacha Pacharn, Robert C. Brasch, Charles A. Gooding. Pulmonary metastasis at Diagnosis in Neuroblastoma : CT imaging findings and Analysis of Tumor Biology and Survival. Am J Roentgenol. 2001 Mar;176(3):755-9.
  10. Bamidele F. Kammen, Preeyacha Pacharn, Robert C. Brasch, Charles A. Gooding, Ruedi F. Thoeni. Focal Fatty infiltration in the liver : Analysis of Prevalence and CT Imaging Findings in Pediatric Patients. Am J Roentgenol. 2001 Nov;177(5):1035-9.
  11. Preeyacha Pacharn, Daniel N.D. Heller, Bamidele F. Kammen,Thomas J. Bryce, Richard A. Bailey, MS, Robert C. Brasch. Are Chest Radiographs Routinely Necessary Following Thoracostomy Tube Removal? Pediatr Radiol. 2002 Feb;32(2):138-42.
  12. Bamidele F. Kammen, Preeyacha Pacharn, Michael Harrison, Charles A. Gooding. The Diaphanous Diaphragm. Am J Roentgenol. 2002 Jan;178(1):185-9.
  13. Robert J. Fleck, Preeyacha Pacharn, Bradley L. Fricke, Mathew A. Ziegler, Lane F. Donnelly. Imaging Findings in Patients with Persistent Airway Symptoms Following Surgery for Double Aortic Arch. Am J Roentgenol. 2002 May;178(5):1275-9.
  14. Lane F. Donelly, Robert J. Fleck, Preeyacha Pacharn, Mathew A. Ziegler, Bradley L. Fricke, Robin T. Cotton. Aberrant subclavian arteries: cross-sectional imaging findings in infants and children referred for evaluation of extrinsic airway compression. Am J Roentgenol. 2002 May;178(5):1269-74.
  15. Preeyacha Pacharn, Lane F. Donnelly. Low-Tube Current, Multislice Helical CT for Children with Suspected Extrinsic Airway Compression. Am J Roentgenol. 2002 Dec;179(6):1523-7.
  16. Thomas Bryce, Benjamin Yeh, Aliya Qayyum. Preeyacha Pacharn, Nathan Bass, Ying Lu, Fergus Coakley. CT Signs of Hepatofugal Portal Venous Flow in Patients with Cirrhosis. Am J Roentgenol. 2003 Dec;181:1629-
  17. Sopa Pongpornsup, Orasa Chawalparit, Preeyacha Pacharn. Imaging Findings and Prevalence of Central Precoccious Puberty at Siriraj Hospital Siriraj Hospital Gazette 2003 Dec vol55, No 12, 713-720
  18. Preeyacha Pacharn, Kullanuch Chanchairujira, Thomas J. Bryce, Thaschawee Arkachaisri. Current Topics in Imaging of Juvenile Rheumatoid Arthritis. The Asean Journal of Radiology 2005, Jan-Apr, volume XI, number I, 1-12
  19. Preeyacha Pacharn, Chantima Rongviriyapanich, Thomas J. Bryce, Suwannee Surattnasophon : Pleuropulmonary blastoma : A rare primary pulmonary tumor of childhood. The Asean Journal of Radiology 2005, Jan-Apr, volume XI, number I, 13-18