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  • Publication : 29 06 2018
  • Catégorie :La recherche médicale et génétique

[A survivor of Hodgkin lymphoma manifesting dropped head syndrome as a late-onset complication of radiotherapy: a case report].    

Abstract
We report the case of a 50-year-old female survivor of Hodgkin lymphoma (HL), who developed dropped head syndrome (DHS). The patient was diagnosed with HL at 20 years of age, and underwent chemo-radiotherapy, which led to complete remission. Undergoing supplemental therapy for post-radiation hypothyroidism, she had twin babies. She noticed white stains on her neck at the age of 30, and the decolored area gradually expanded. Sixteen years after the radiotherapy (RT), her posterior neck muscle strength began to decline. She had to make considerable efforts to keep her neck straight, and came to experience a severe pain in the neck and shoulders. The patient visited our department due to DHS at the age of 50. She had leukoderma, muscle weakness, and muscle atrophy in the neck and para-spinal region, which were consistent with the area of RT. The strength was preserved in the other parts of the muscle, including the proximal upper limbs. Sensory nerve disorder was not detected. The serum creatine kinase level was slightly elevated. Cervical spine or cervical cord disease that can cause DHS was not detected by MRI examination. The MRI and CT images revealed marked atrophy in the posterior neck and para-spinal muscles. The electromyogram revealed myopathic changes, and the cause of her DHS was diagnosed as radiation-induced myopathy. DHS is a well-known late-onset radiation injury, and Japanese cases have been reported in elderly persons with laryngeal or lung cancer. However, there have been no Japanese case reports of radiation-induced DHS due to RT against HL in younger persons. The patient had visited several clinics and hospitals before she came to our hospital, but RT-induced DHS had been overlooked. Greater recognition and consideration is required for DHS as one of the various issues arising after long passage of HL survivors.

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