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CASE REPORT

Hypercalcemia-Leukocytosis syndrome and adenosquamous lung carcinoma: An overlooked conjugation

JOÃO OLIVEIRA PEREIRA1,2,*, JOÃO GAMA3, DIANA FERREIRA2,4, ARSÉNIO SANTOS2,4

1 Pulmonology Department, Coimbra Hospital and University Centre, Coimbra, 3004-561, Portugal
2 Faculty of Medicine of the University of Coimbra, Coimbra, 3000-370, Portugal
3 Anatomical Pathology Department, Coimbra Hospital and University Centre, Coimbra, 3004-561, Portugal
4 Internal Medicine Department, Coimbra Hospital and University Centre, Coimbra, 3004-561, Portugal

* Corresponding Author: João Pereira, email

Oncology Research 2021, 29(2), 81-85. https://doi.org/10.32604/or.2022.023450

Abstract

Hypercalcaemia and leukocytosis are two paraneoplastic conditions associated with poor prognosis. Adenosquamous carcinoma is a rare and aggressive histological subtype of lung cancer consisting of adenocarcinoma and squamous cell components. We report the case of a 57-year-old male smoker who was admitted to the Emergency Room with skull and neck tumefactions, confusion and deteriorated general condition. The complementary study in the ER revealed severe hypercalcaemia (19.8 mg/dL), leukocytosis (18.7 × 109 /L) and extensive osteolytic lesions of the skull on cranioencephalic computer tomography (CT). The patient was stabilized and admitted. Thoracoabdominopelvic CT showed lung parenchyma consolidation with necrotic areas, supra and infradiaphragmatic adenopathies and scattered osteolytic lesions. Percutaneous lymph node biopsy was consistent with metastasis of adenosquamous lung carcinoma. The patients’ clinical situation evolved unfavourably after hospital-acquired infection. This case is characterized by a rare presentation of advanced stage adenosquamous lung carcinoma with scattered osteolytic lesions and severe hypercalcaemia-leukocytosis syndrome, an underrecognized marker of poor prognosis.

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APA Style
PEREIRA, J.O., GAMA, J., FERREIRA, D., SANTOS, A. (2021). Hypercalcemia-leukocytosis syndrome and adenosquamous lung carcinoma: an overlooked conjugation. Oncology Research, 29(2), 81-85. https://doi.org/10.32604/or.2022.023450
Vancouver Style
PEREIRA JO, GAMA J, FERREIRA D, SANTOS A. Hypercalcemia-leukocytosis syndrome and adenosquamous lung carcinoma: an overlooked conjugation. Oncol Res. 2021;29(2):81-85 https://doi.org/10.32604/or.2022.023450
IEEE Style
J.O. PEREIRA, J. GAMA, D. FERREIRA, and A. SANTOS, “Hypercalcemia-Leukocytosis syndrome and adenosquamous lung carcinoma: An overlooked conjugation,” Oncol. Res., vol. 29, no. 2, pp. 81-85, 2021. https://doi.org/10.32604/or.2022.023450



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This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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