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    Jpn J Clin Oncol. 1998 Sep;28(9):563-6.

    Undifferentiated pancreatic cancer associated with humoral hypercalcemia of malignancy.

    Source

    Department of Internal medicine, Saiseikai Maebashi Hospital, Japan. kakizaki@news.sb.gunma-u.ac.jp

    Abstract

    We present a case of undifferentiated pancreatic cancer associated with humoral hypercalcemia of malignancy (HHM) in which parathyroid hormone-related protein (PTH-rP) is identified as the causative factor of hypercalcemia. A 61-year-old man was hospitalized with right hypochondralgia. Ultrasound examination and computed tomography demonstrated a large mass in the pancreatic head with liver metastases. Biopsy of the pancreatic tumor demonstrated undifferentiated carcinoma. Serum calcium level and PTH-rP were elevated. Bone scan with technetium-99 demonstrated no accumulation in the bones. Immunohistochemical staining for PTH-rP was weakly positive in the tumor cells. We considered that PTH-rP was the causative factor of HHM in this case from laboratory data and immunohistochemical findings. This rare case was successfully treated with pamidronate disodium, which is a type of bisphosphonate derivative. We compared this case with previously reported cases.

    PMID:
    9793031
    [PubMed - indexed for MEDLINE]
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