Pleomorphic adenoma diagnostic study of choice: Difference between revisions

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=== Study of choice ===
=== Study of choice ===
*MRI is the preferred diagnostic study of choice for pleomorphic adenoma.<ref name="RaiRohit2013">{{cite journal|last1=Rai|first1=Shalu|last2=Rohit|first2=Malik|last3=Kaur|first3=Mandeep|last4=Mukul|first4=Prabhat|title=Pleomorphic adenoma: Choice of radiographic imaging modality - Computed tomography or magnetic resonance imaging? Illustration through a case report|journal=Dental Hypotheses|volume=4|issue=1|year=2013|pages=33|issn=2155-8213|doi=10.4103/2155-8213.110181}}</ref>
*[[MRI]] is the preferred diagnostic study of choice for pleomorphic adenoma.<ref name="RaiRohit2013">{{cite journal|last1=Rai|first1=Shalu|last2=Rohit|first2=Malik|last3=Kaur|first3=Mandeep|last4=Mukul|first4=Prabhat|title=Pleomorphic adenoma: Choice of radiographic imaging modality - Computed tomography or magnetic resonance imaging? Illustration through a case report|journal=Dental Hypotheses|volume=4|issue=1|year=2013|pages=33|issn=2155-8213|doi=10.4103/2155-8213.110181}}</ref>


==== The comparison of various diagnostic studies for [disease name] ====
==== The comparison of various diagnostic studies for [disease name] ====
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===== Sequence of Diagnostic Studies =====
===== Sequence of Diagnostic Studies =====
The various investigations must be performed in the following order:
The various investigations must be performed in the following order:
*CT is usually the first imaging modality of choice for pleomorphic adenoma.<ref name="RaiRohit2013">{{cite journal|last1=Rai|first1=Shalu|last2=Rohit|first2=Malik|last3=Kaur|first3=Mandeep|last4=Mukul|first4=Prabhat|title=Pleomorphic adenoma: Choice of radiographic imaging modality - Computed tomography or magnetic resonance imaging? Illustration through a case report|journal=Dental Hypotheses|volume=4|issue=1|year=2013|pages=33|issn=2155-8213|doi=10.4103/2155-8213.110181}}</ref>
*[[CT]] is usually the first imaging modality of choice for pleomorphic adenoma.<ref name="RaiRohit2013">{{cite journal|last1=Rai|first1=Shalu|last2=Rohit|first2=Malik|last3=Kaur|first3=Mandeep|last4=Mukul|first4=Prabhat|title=Pleomorphic adenoma: Choice of radiographic imaging modality - Computed tomography or magnetic resonance imaging? Illustration through a case report|journal=Dental Hypotheses|volume=4|issue=1|year=2013|pages=33|issn=2155-8213|doi=10.4103/2155-8213.110181}}</ref>
*It helps in identifying the lesion and also helps the physician in assessing the extension of the tumor.
*It helps in identifying the lesion and also helps the physician in assessing the extension of the tumor.
*MRI is the usually ordered investigation next after CT, for an even more detailed study.<ref name="RaiRohit2013">{{cite journal|last1=Rai|first1=Shalu|last2=Rohit|first2=Malik|last3=Kaur|first3=Mandeep|last4=Mukul|first4=Prabhat|title=Pleomorphic adenoma: Choice of radiographic imaging modality - Computed tomography or magnetic resonance imaging? Illustration through a case report|journal=Dental Hypotheses|volume=4|issue=1|year=2013|pages=33|issn=2155-8213|doi=10.4103/2155-8213.110181}}</ref>
*MRI is the usually ordered investigation next after CT, for an even more detailed study.<ref name="RaiRohit2013">{{cite journal|last1=Rai|first1=Shalu|last2=Rohit|first2=Malik|last3=Kaur|first3=Mandeep|last4=Mukul|first4=Prabhat|title=Pleomorphic adenoma: Choice of radiographic imaging modality - Computed tomography or magnetic resonance imaging? Illustration through a case report|journal=Dental Hypotheses|volume=4|issue=1|year=2013|pages=33|issn=2155-8213|doi=10.4103/2155-8213.110181}}</ref>
*It is a non-ionizing modality with excellent soft tissue distinction.
*It is a non-ionizing modality with excellent soft tissue distinction.
*FNA and biopsy is the definitive method of diagnosis for pleomorphic adenoma.
*[[FNA]] and [[biopsy]] is the definitive method of diagnosis for pleomorphic adenoma.


=== Name of Diagnostic Criteria ===
=== Name of Diagnostic Criteria ===

Revision as of 20:14, 22 January 2019

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:

Overview

Diagnostic Study of Choice

Study of choice

  • MRI is the preferred diagnostic study of choice for pleomorphic adenoma.[1]

The comparison of various diagnostic studies for [disease name]

Test Sensitivity Specificity
MRI 43.9% 95%
CT

[Name of test with higher sensitivity and specificity] is the preferred investigation based on the sensitivity and specificity

Diagnostic results
MRI
  • MRI is the imaging modality of choice for pleomorphic adenoma.[2][1]
  • On T1-weighted images:
    • Pleomorphic adenoma's show homogeneous intensity. [3]
  • On T2-weighted images:
    • Marked hyperintensity reflects abundant myxochondroid stroma.[4]
    • Hypointensity reflects the fibrous capsule of the tumor.[4]
  • On Gd-T1weighted images:
    • It shows heterogeneous enhancement.[3]
Sequence of Diagnostic Studies

The various investigations must be performed in the following order:

  • CT is usually the first imaging modality of choice for pleomorphic adenoma.[1]
  • It helps in identifying the lesion and also helps the physician in assessing the extension of the tumor.
  • MRI is the usually ordered investigation next after CT, for an even more detailed study.[1]
  • It is a non-ionizing modality with excellent soft tissue distinction.
  • FNA and biopsy is the definitive method of diagnosis for pleomorphic adenoma.

Name of Diagnostic Criteria

There are no established criteria for the diagnosis of pleomorphic adenoma.

References

  1. 1.0 1.1 1.2 1.3 Rai, Shalu; Rohit, Malik; Kaur, Mandeep; Mukul, Prabhat (2013). "Pleomorphic adenoma: Choice of radiographic imaging modality - Computed tomography or magnetic resonance imaging? Illustration through a case report". Dental Hypotheses. 4 (1): 33. doi:10.4103/2155-8213.110181. ISSN 2155-8213.
  2. Ikeda K, Katoh T, Ha-Kawa SK, Iwai H, Yamashita T, Tanaka Y (March 1996). "The usefulness of MR in establishing the diagnosis of parotid pleomorphic adenoma". AJNR Am J Neuroradiol. 17 (3): 555–9. PMID 8881252.
  3. 3.0 3.1 Hisatomi, Miki; Asaumi, Jun-ichi; Yanagi, Yoshinobu; Konouchi, Hironobu; Matsuzaki, Hidenobu; Honda, Yasutoshi; Kishi, Kanji (2003). "Assessment of pleomorphic adenomas using MRI and dynamic contrast enhanced MRI". Oral Oncology. 39 (6): 574–579. doi:10.1016/S1368-8375(03)00040-X. ISSN 1368-8375.
  4. 4.0 4.1 Kato H, Kawaguchi M, Ando T, Mizuta K, Aoki M, Matsuo M (August 2018). "Pleomorphic adenoma of salivary glands: common and uncommon CT and MR imaging features". Jpn J Radiol. 36 (8): 463–471. doi:10.1007/s11604-018-0747-y. PMID 29845358.

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