Pindborg tumor: Not all Congo red-positive amyloid-like areas show apple-green birefringence under polarizing microscope

• Julia Yu-Fong Chang,
• Ying-Tai Jin,
• Andy Sun,
• Chun-Pin Chiang

Affiliations

Julia Yu-Fong Chang

Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan; Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan

Ying-Tai Jin

Department of Pathology, Taiwan Adventist Hospital, Taipei, Taiwan; Department of Pathology, National Cheng-Kung University Hospital, Tainan, Taiwan

Andy Sun

Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan; Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan

Chun-Pin Chiang

Corresponding author. Department of Dentistry, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, No. 707, Section 3, Chung-Yang Road, Hualien, 970, Taiwan.; Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan; Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan; Department of Dentistry, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan