Radiological Interpretation of the Periapical Cysts and Granulomas

Syrjänen, Karí; Tammisalo, E; Lilja, R; Syrjänen, Kari

doi:10.1259/dmfr.1982.0011

Cited by 8 publications

(3 citation statements)

References 6 publications

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“…Currently, there is no consensus about the histopathologic definition of a periapical lesion. According to Syrjanen et al (12), a periapical cyst is a lesion with proliferation of the stratified epithelium, with or without a cavity; according to Lin et al (13), a periapical cyst is a pathologic epithelium-lined cavity surrounded by fibrous connective tissue.…”

Section: Discussionmentioning

confidence: 99%

Distribution of CD8 and CD20 lymphocytes in chronic periapical inflammatory lesions

et al. 2003

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The objective of this study was to investigate the distribution of CD8+ and CD20+ lymphocytes in chronic periapical inflammatory lesions. A total of 90 periapical inflammatory lesions (chronic abscesses, abscessed cysts, and inflammatory cysts) were evaluated. The biotin-streptavidin immunohistochemical technique was used to identify cytotoxic/suppressor T-lymphocytes (CD8) and B-lymphocytes (CD20). Age ranged from 10 to 67 years. Patients between 26 and 45 years old (54.4%), females (52.2%), and white patients (74.4%) were more frequently affected. CD8+ cell distribution was as follows: 1) fibrous capsule: diffuse in 58.8% of chronic abscesses and absent in 64.1% of abscessed cysts and in 70.6% of inflammatory cysts; 2) infiltration zone: diffuse in 100% of abscessed cysts and in 82.4% of inflammatory cysts; 3) sub-epithelial zone: absent in 53.0% of inflammatory cysts and diffuse in 56.4% of abscessed cysts; 4) suppurative zone: diffuse in 100% of chronic abscesses and in 97.5% of abscessed cysts. CD20+ cell distribution was as follows: 1) fibrous capsule: absent in 100% of inflammatory cysts, in 94.8% of abscessed cysts, and in 88.3% of chronic abscesses; 2) infiltration zone: diffuse in 100% of abscessed cysts and in 53% of inflammatory cysts; 3) sub-epithelial zone: absent in 58.8% of inflammatory cysts and focal in 46.2% of abscessed cysts; 4) suppurative zone: diffuse in 100% of abscessed cysts and in 100% of chronic abscesses. The distribution of the lymphocytic infiltrate in the lesions was usually diffuse for both types of lymphocytes.

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Section: Discussionmentioning

confidence: 99%

Distribution of CD8 and CD20 lymphocytes in chronic periapical inflammatory lesions

et al. 2003

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“…Radicular cysts appear as round or pear-shaped unilocular radiolucent lesions surrounded by a thin radiopaque margin, extending from the lamina dura of the involved tooth and may displace adjacent teeth or cause mild root resorption. A lesion larger than 2 cm is more likely to be a cyst than a granuloma 4,6,7…”

Section: Discussionmentioning

confidence: 99%

Bilateral inflammatory cysts of the jaw: report of an unusual case

et al. 2012

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Radicular cyst is the most common odontogenic cyst occurring in the jaws. The cyst is commonly found in relation to the maxillary anterior teeth in the third and fifth decade of life. Although multiple radicular cysts are not uncommon in the jaws, bilaterally symmetrical representation of these cysts is rare. Radiographs prior to extraction help in diagnosis of these cysts and thereby prevent further morbidities. We report a case of 16-year-old male patient who presented bilateral radicular cysts symmetrically in the mandible.

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“…The study was performed on cadavers and/or used simulated tissue for X-ray exposure (Trope et The study is a narrative review (Hamood, 2001) (Lin, L. M., Huang and Rosenberg, 2007) [64,65] The study does not contain information that could be linked to the reviewed subject The study did not differentiate between OPG, CBCT or periapical X-ray when performing the imaging analysis and its correlation to the histological status (Croitoru et al, 2016) (Syrjänen et al, 1982) [73,74] Table 2. Brief description of the included studies.…”

Section: Reason For Exclusionmentioning

confidence: 99%

The Limitations of Periapical X-ray Assessment in Endodontic Diagnosis—A Systematic Review

Gliga,

Imre,

Grandini

et al. 2023

JCM

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Diagnosis is a key aspect in endodontic treatment, in a decade where invasive interventions are misapprehended as social tendency instead of medical necessity. All diagnostic facets should be considered before intending the operative phase. Intraoral endodontic radiology-based diagnosis has been shown to be limited. Periapical X-ray is the most used endodontic imaging, yet it does not provide high accuracy. Traditionally, dentists have been trained to diagnose a cyst by certain aspects (size, shape and appearance); hence, an assumption that teeth are affected by “periapical cyst” were subjected to unnecessary extraction or apicoectomy. The aim of this systematic review is to critically appraise the publications that relate the histological diagnosis of a periapical lesion (considered the gold standard) to intraoral X-ray investigation. Ovid Medline, PubMed, ScienceDirect, Mendeley and Scopus were searched for English-language studies comparing periapical diagnosis obtained by using two techniques (histopathology and X-ray). Sixteen articles were included for the final analysis (qualitative and quantitative evaluation) out of which only two supported the statement that periapical diagnosis can be coherently assessed through periapical imaging. Although there is not enough evidence to deliver a definitive conclusion, there are many publications that refute the diagnosis of a cyst via periapical X-ray.

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Radiological Interpretation of the Periapical Cysts and Granulomas

Cited by 8 publications

References 6 publications

Distribution of CD8 and CD20 lymphocytes in chronic periapical inflammatory lesions

Distribution of CD8 and CD20 lymphocytes in chronic periapical inflammatory lesions

Bilateral inflammatory cysts of the jaw: report of an unusual case

The Limitations of Periapical X-ray Assessment in Endodontic Diagnosis—A Systematic Review

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