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Lung Cancer: Student/Resident Case Report Poster - Lung Cancer I |

Missed Diagnosis: Metastatic Mesenchymal Chondrosarcoma (MC) Presenting as a Diffuse Calcified Pulmonary Nodule

Ali Chaudhry, MD; Dana Perrone, DO; Hammad Bhatti, MD; Sayed Ali, MD
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University of Central Florida, Kissimmee, FL


Copyright 2016, American College of Chest Physicians. All Rights Reserved.


Chest. 2016;150(4_S):741A. doi:10.1016/j.chest.2016.08.836
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SESSION TITLE: Student/Resident Case Report Poster - Lung Cancer I

SESSION TYPE: Student/Resident Case Report Poster

PRESENTED ON: Tuesday, October 25, 2016 at 01:30 PM - 02:30 PM

INTRODUCTION: Calcified pulmonary nodules are often benign in nature, but can seldom be a manifestation of a variety of neoplasms. We present one such rare case.

CASE PRESENTATION: A 53 year old man with a history of hypertension, presented to our clinic with a progressive non-productive cough for 6 months. Eight years ago, persistent left ankle pain eventually led to a diagnosis of MC, requiring extensive surgery. Follow up surveillance imaging picked up a 0.5 cm diffuse calcified lung nodule. A few years later, a lesion on his sacrum was discovered and a biopsy confirmed recurrence of MC. He was placed on chemotherapy for his metastatic disease. His lung nodule, initially felt to be benign, over the course of five years, grew significantly measuring 1.9cm X 2.8 cm (Figure 1). A biopsy was deferred after an informed discussion with the patient. A PET CT also failed to show FDG uptake. Based on his history, clinical presentation and radiological growth of the calcified pulmonary nodule, he was finally diagnosed with pulmonary metastatic MC.

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