Pigmented Skin Lesions Differential Diagnosis - Medical Algorithm

Are you examining a pigmented skin lesion with surface microscopy?

Yes

Is the lesion symmetrical along any axis drawn through the center of the lesion?

Yes

Number of colors in the lesion

colors

Does the lesion show ...

• blue-white veil?

Yes

• multiple brown dots?

Yes

• multiple blue-gray dots?

Yes

• multiple peripheral black dots and/or globules?

Yes

• pseudopods?

Yes

• radial streaming?

Yes

• a broadened pigment network?

Yes

• scarlike depigmentation?

Yes

Results

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Results Interpretation and Description References Next Steps

Data complete?

Evaluation appropriate?

Number of key characteristics identified

The lesion appears to be

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Clinical Diagnosis, Including Family History For Genetics
- The ABCD Rule of Dermatoscopy (Total Dermatoscopic Score, TDS)
Laboratory Tests
- The Epiluminescence Microscopy (ELM) 7-Point Checklist for Evaluation of a Melanocytic Skin Lesion
Other Testing
- The Epiluminescence Microscopy (ELM) 7-Point Checklist for Evaluation of a Melanocytic Skin Lesion
- The ABCD Rule of Dermatoscopy (Total Dermatoscopic Score, TDS)
Criteria For Diagnosis
- The Epiluminescence Microscopy (ELM) 7-Point Checklist for Evaluation of a Melanocytic Skin Lesion
- The ABCD Rule of Dermatoscopy (Total Dermatoscopic Score, TDS)
Differential Diagnosis And Mimics, Red Flags
- The Glasgow 7-Point Checklist for Distinguishing a Benign Pigmented Skin Lesion from a Melanoma

Evaluation

Results

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Specialty

Objective

ICD-10

The Score of Menzies et al for Pigmented Skin Lesions

Purpose: To evaluate a pigmented skin lesion using the scoring method of Menzies based on surface microscopic findings.

Evaluation

Results

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Specialty

Objective

ICD-10