Lung Cancer PET Scan | Medical Algorithm

Are you evaluating a PET scan from a patient with possible lung cancer?

Yes

Does the patient have?

• lipoid pneumonia?

Yes

• deep fungal infection (Histoplasmosis, Blastomycosis, etc)?

Yes

• tuberculosis or other mycobacterial infection?

Yes

• chronic abscess or other infection?

Yes

• another type of tumor (malignant lymphoma, etc)?

Yes

• bone fracture unrelated to metastatic cancer?

Yes

• sarcoidosis?

Yes

• radiation pneumonitis?

Yes

• post-operative ?

Yes

• uptake in the gastrointestinal and genitourinary tract?

Yes

• brown muscle?

Yes

• following muscular activity?

Yes

• thymic hyperplasia following chemotherapy?

Yes

• adenocarcinoma with a bronchioalveolar carcinoma (BAC, lepidic) pattern (in situ or invasive)?

Yes

• lesion smaller than the detection limit?

Yes

Evaluation

Results

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Interpretation and Description

References

Next Steps in Evaluation

Diagnosis

Therapy

Specialty

Objective

ICD-10

False-Positive & False-Negative Findings for Lung Cancer Associated with Positron Emission Tomography (PET)

Purpose: To identify possible causes of a false-positive or false-negative positron emission tomography (PET) in a patient with possible lung cancer.