Myositis Diagnostic Criteria - Medical Diagnostic Tool

Are you evaluating a patient for dermato-myositis or polymyositis?

Yes

Does the patient show?

• a heliotrope rash?

Yes

• Gottron's sign?

Yes

• erythema on the extensor surface of extremity joints?

Yes

• proximal muscle weakness?

Yes

• muscle pain on grasping?

Yes

• spontaneous muscle pain?

Yes

• nondestructive arthritis or arthralgias?

Yes

Axillary temperature

Serum C-reactive protein (CRP)

Upper limit to reference range for CRP

ESR by the Westergren method

mm/h

Are myogenic changes seen on EMG?

Yes

Is anti-Jo-1 antibody present?

Yes

Serum creatine kinase (CK)

Upper limit to reference range for CK

Serum aldolase

Upper limit to reference range for aldolase

Does a muscle biopsy show histologic changes compatible with inflammatory myositis?

Yes

Results

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Results Interpretation and Description References Next Steps

Data complete?

Evaluation appropriate?

Number of skin lesions present

Number of additional findings present

Does the patient have dermatomyositis?

Does the patient have polymyositis?

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Risk Factors
- Prognostic Factors for Patient with Polymyositis or Dermatomyositis
- Dermatomyositis or Polymyositis | Risk Factors for Underlying Malignancy
Clinical Diagnosis, Including Family History For Genetics
- Criteria of Marie et al for Remission of Polymyositis or Dermatomyositis
Imaging Studies
- Prognostic Factors for Patient with Polymyositis or Dermatomyositis
- Dermatomyositis or Polymyositis | Risk Factors for Underlying Malignancy
Laboratory Tests
Criteria For Diagnosis
- Criteria of Bohan and Peter for the Diagnosis of Polymyositis and Dermatomyositis
- Overlap Syndrome in Patient with Dermatomyositis
Severity, Prognosis, Stage
Differential Diagnosis And Mimics, Red Flags
- Dermatomyositis Sine Myositis

Monitoring

Response To Therapy
- Criteria of Marie et al for Remission of Polymyositis or Dermatomyositis
- Prognostic Factors for Patient with Polymyositis or Dermatomyositis
Disease Progression
- Criteria of Marie et al for Remission of Polymyositis or Dermatomyositis
- Prognostic Factors for Patient with Polymyositis or Dermatomyositis
Comorbid Conditions
- Overlap Syndrome in Patient with Dermatomyositis
- Prognostic Factors for Patient with Polymyositis or Dermatomyositis

Patient Concerns

Psychological Response
- Prognostic Factors for Patient with Polymyositis or Dermatomyositis
- Dermatomyositis or Polymyositis | Risk Factors for Underlying Malignancy

Evaluation

Results

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Monitoring

Patient Concerns

Specialty

Objective

ICD-10

Classification Criteria of Tanimoto et al for Polymyositis and Dermatomyositis

Purpose: To evaluate a patient for dermatomyositis or polymyositis using the criteria of Tanimoto et al.

Evaluation

Results

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MedicalAlgorithms.com APIs

Power Your Solutions with 5,000+ Automated Medical Analytics

Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Monitoring

Patient Concerns

Specialty

Objective

ICD-10