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Heart Lung Circ. 2006 Apr;15(2):143-5. Epub 2006 Jan 18.

Pulmonary hypertension due to isolated metastatic squamous cell carcinoma thromboemboli.

Author information

1
Department of Cardiothoracic Surgery, Royal Prince Alfred Hospital, Suite 304, 100 Carillon Avenue Newtown, Camperdown, Sydney, NSW 2042, Australia. mwilson@scts.com.au

Abstract

Pulmonary hypertension as the initial presentation of occult malignancy is extremely rare. The differential diagnosis of pulmonary hypertension due to arterial tumour embolism is often overlooked and deserves contemplation. Our case report details the presentation of cardiorespiratory decompensation from an assumed classic saddle pulmonary embolus in a previously fit, well 80-year-old gentleman. The patient underwent successful pulmonary thromboendarterectomy, however, intraoperatively the specimen was noted to be atypical. This resulted in the surprising definitive diagnosis of thromboembolic pulmonary hypertension secondary to laminated thrombi of metastatic squamous cell tumour emboli. The site of tumour origin was however not histologically apparent and was unable to be elucidated on extensive further investigation. Post-operatively the patient had considerable subjective and functional improvement returning to activities of daily living. He however passed away some 9 months later.

PMID:
16412689
DOI:
10.1016/j.hlc.2005.08.015
[Indexed for MEDLINE]

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