1. Nonendodontic Lesions Misdiagnosed as Apical Periodontitis Lesions: Series of Case Reports and Review of Literature 
Flavia Sirotheau Corrêa Pontes, PhD, Felipe Paiva Fonseca, MSc, Adriana Souza de Jesus, Ana Carolina Garcia Alves, Leila Marques Araújo, MSc, Liliane Silva do Nascimento, PhD, Hélder Antônio Rebelo Pontes, PhD 
Journal of Endodontics 
Volume 40, Issue 1, Pages (January 2014)
DOI: /j.joen
Copyright © 2014 American Association of Endodontists Terms and Conditions

2. Figure 1
Panoramic radiographies from cases of (A) myxoma, (B) central giant cell lesion, (C) unicystic ameloblastoma, and (D) keratocyst that were initially misdiagnosed as lesions of endodontic origin. A and D clinically showed no swelling, whereas B and C presented cortical expansion.
Journal of Endodontics  , 16-27DOI: ( /j.joen )
Copyright © 2014 American Association of Endodontists Terms and Conditions

3. Figure 2
(A) A case of mucoepidermoid carcinoma with the radiographic aspect showing a multilocular radiolucency associated with the maxillary left lateral incisor and canine, expanding cortical bone. (B) Clinically, a bluish increase of volume in the lateral posterior region of the hard palate is observed.
Journal of Endodontics  , 16-27DOI: ( /j.joen )
Copyright © 2014 American Association of Endodontists Terms and Conditions

4. Figure 3
(A) Aspiration of a radicular cyst; straw-colored fluid can be observed inside the lesion. (B) Blood aspiration in a case of aneurysmal bone cyst. (C) Pasty content within the syringe and radiographic aspect from a case of a keratocyst.
Journal of Endodontics  , 16-27DOI: ( /j.joen )
Copyright © 2014 American Association of Endodontists Terms and Conditions