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[Bone scintigraphy in psoriasis (author's transl)]

K Hahn, G Thiers, D Eissner

    Nuklearmedizin. Nuclear Medicine
    |August 1, 1980
    PubMed
    Summary

    Bone scintigraphy reveals subclinical psoriatic arthritis in many patients. This nuclear medicine technique detects bone involvement adjacent to joints and in extra-articular areas, often missed by X-rays.

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    Area of Science:

    • Nuclear Medicine
    • Rheumatology
    • Dermatology

    Background:

    • Psoriasis is a chronic inflammatory disease.
    • Psoriatic arthritis affects joints in some patients.
    • Conventional imaging may miss early or subtle bone involvement.

    Purpose of the Study:

    • To evaluate the utility of bone scintigraphy in detecting psoriatic bone disease.
    • To compare scintigraphic findings with clinical and radiological assessments.
    • To identify subclinical osteopathy in psoriatic patients.

    Main Methods:

    • Bone scintigraphy using 99mTc-phosphate complexes was performed on 382 psoriasis patients.
    • Whole-body scintigraphy with 99mTc-MDP was conducted in 205 patients.
    • Findings were compared with roentgenologic and clinical data.

    Main Results:

    • Scintigraphy revealed greater bone involvement adjacent to joints than expected from X-ray and clinical data.
    • Increased activity was observed in extra-articular skull and thoracic bone regions in 17 patients.
    • Nuclear medicine detected osteopathy not evident through conventional methods.

    Conclusions:

    • Skeletal scintigraphy can demonstrate psoriatic osteopathy beyond clinically apparent psoriatic arthritis.
    • This technique identifies involvement in bones adjacent to joints and in extra-articular sites.
    • Bone scintigraphy is crucial for comprehensive assessment of bone disease in psoriasis.

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