radicular / periapical cyst


Case of the Week: Radicular / Periapical cyst 2

Now before I get to the actual case I want to make sure that you realize that a radicular/periapical cyst is diagnosed with a histopathological slide and not by radiographs alone.  There are certain features of a radicular/periapical cyst that may cause you to put it higher on a differential […]


How was that missed? (Chronic Apical Periodontitis / Rarefying Osteitis) 1

This months how was that missed is a case of chronic apical periodontitis or rarefying osteitis.  The first radiograph is 2 years prior to the second one. Initial interpretation: No initial interpretation as this radiograph was made for an implant in the maxillary canine region and nothing else was evaluated.  […]


Case of the week: Apical Periodontitis (Apical Rarefying Osteitis)

This week’s case is from a request to see cases of apical periodontitis and chronic apical periodontitis (coming next week).  A good definition I found of apical periodontitis is “a spectrum of diseases that occur around the tooth apex, including periapical granuloma, periapical abscess, and periapical (radicular) cyst” (Scheinfeld MH, […]


How was that missed? (Periapical / Radicular cyst) 2

Being that the two previous posts on radiographic entities either looked over or misdiagnosed created quite a few comments and questions, I have decided to make this a more regular series.  The plan (as of now) is to post once a month on the first Wednesday of the month.  This […]


Case of the Week: Rarefying osteitis (abscess, cyst and/or granuloma) 3

This week I am going to show several examples of rarefying osteitis (sometimes referred to as apical rarefying osteitis when positioned at the apex).  Rarefying osteitis is a term that means ‘loss of bone due to inflammation’. I use this term when describing a radiolucent area at the apex of […]