Anaplastic transformation of follicular thyroid carcinoma in a metastatic skeletal lesion presenting with paraneoplastic leukocytosis

Turrent Robert Nakayama, Keisuke Horiuchi, Michiro Susa, Seiichi Hosaka, Yuichiro Hayashi, Kaori Kameyama, Yoshihisa Suzuki, Hiroo Yabe, Yoshiaki Toyama, Hideo Morioka

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Background: Anaplastic transformation of differentiated thyroid carcinoma (DTC) is a rare event with a poor clinical outcome. It usually occurs in the primary site or in regional lymph nodes, but rarely in distant metastatic lesions. Summary: A 55-year-old woman with persistent pain in the left hip joint visited our hospital. She had a history of DTC that had been surgically removed 12 years earlier. Clinical images showed a tumorous mass in the left pelvis, indicative of bone metastasis. The patient underwent surgery to remove the tumor and remained stable until local recurrence was found 5 weeks after the surgery. The patient subsequently underwent radiation therapy; however, she died of respiratory failure due to lung metastases 2 months after the surgery for the recurrent lesion. The surgical specimens were diagnosed as anaplastic thyroid carcinoma, indicating that anaplastic transformation of thyroid follicular carcinoma occurred in the metastatic skeletal lesion. In addition, the patient had an unusually high white blood cell count throughout the course. Based on elevated serum granulocyte colony-stimulating factor (G-CSF) levels and positive immunostaining for G-CSF in the surgical specimens, the patient was diagnosed with paraneoplastic leukocytosis. Conclusion: To our knowledge, this is the first case of anaplastic transformation of DTC arising in a metastatic bone lesion described in the literature. In addition, the present case also exhibited severe leukocytosis accompanied by elevated serum G-CSF levels. Clinicians should be aware of the possibility of this occurring in their patients with DTC, as this development calls for a rapid change from observational follow-up to aggressive treatment.

Original languageEnglish
Pages (from-to)200-204
Number of pages5
JournalThyroid
Volume22
Issue number2
DOIs
Publication statusPublished - 2012 Feb 1

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Follicular Adenocarcinoma
Leukocytosis
Thyroid Neoplasms
Granulocyte Colony-Stimulating Factor
Neoplasm Metastasis
Bone and Bones
Hip Joint
Serum
Pelvis
Leukocyte Count
Respiratory Insufficiency
Radiotherapy
Lymph Nodes
Recurrence
Pain
Lung
Neoplasms

ASJC Scopus subject areas

  • Endocrinology
  • Endocrinology, Diabetes and Metabolism

Cite this

Anaplastic transformation of follicular thyroid carcinoma in a metastatic skeletal lesion presenting with paraneoplastic leukocytosis. / Nakayama, Turrent Robert; Horiuchi, Keisuke; Susa, Michiro; Hosaka, Seiichi; Hayashi, Yuichiro; Kameyama, Kaori; Suzuki, Yoshihisa; Yabe, Hiroo; Toyama, Yoshiaki; Morioka, Hideo.

In: Thyroid, Vol. 22, No. 2, 01.02.2012, p. 200-204.

Research output: Contribution to journalArticle

Nakayama, Turrent Robert ; Horiuchi, Keisuke ; Susa, Michiro ; Hosaka, Seiichi ; Hayashi, Yuichiro ; Kameyama, Kaori ; Suzuki, Yoshihisa ; Yabe, Hiroo ; Toyama, Yoshiaki ; Morioka, Hideo. / Anaplastic transformation of follicular thyroid carcinoma in a metastatic skeletal lesion presenting with paraneoplastic leukocytosis. In: Thyroid. 2012 ; Vol. 22, No. 2. pp. 200-204.
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