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Oral Mucosal Lesion Diagnosis

Purpose: To evaluate a patient with oral lesions using the ELS oral mucosal lesion quantification system of Flint et al.

Description

Flint et al reported the Extent, Location, Severity (ELS) Oral Mucosal Lesion Quantification System. This can be used to evaluate patients with oral lesions. The authors are from multiple hospitals and universities in England, Ireland and the United States and were participants at a workshop on oral and mucosal lesions of HIV/AIDS.


Number of Lesions

Extent (E)

one, <= 1.0 cm in diameter

1

>= 1, diameter 1.1 to 3.0 cm

2

>= 1, diameter >= 3.0 cm

3

widely disseminated lesions

4

 

Locations:

(1) buccal or labial mucosa (B)

(2) floor of mouth (F)

(3) gingival (G)

(4) hard palate (H)

(5) lips (L)

(6) oropharynx (O)

(7) soft palate (S)

(8) tongue (T)

 

Each affected location was given a subscript – b if bilateral, u if unilateral.

 

Pain and Disability

Severity (S)

none

0

no pain but associated with some disability (affects function and/or appearance)

1

mild pain

2

moderate pain

3

severe pain and disability, requiring narcotics for pain control

4

 

The Stage is the maximum of extent or severity.

 

Maximum (E, S)

Stage

1

I

2

II

3

III

4

IV

 


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Specialty

Objective

ICD-10