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Pneumothorax - a Rare Presenting Sign of Sarcoidosis | OMICS International
ISSN: 2329-9126
Journal of General Practice
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Pneumothorax - a Rare Presenting Sign of Sarcoidosis

Rajul Rastogi*, Pawan Joon, Yuktika Gupta, Asif MajidWani, Vijai Pratap and Shourya Sharma

Teerthanker Mahaveer University, Moradabad, Uttar Pradesh, India

*Corresponding Author:
Rajul Rastogi
Teerthanker Mahaveer University
Radiodiagnosis, Moradabad
Uttar Pradesh, India
Tel: 919319942162
Email: [email protected]

Received date: May 24, 2016; Accepted date: Jun 13, 2016; Published date: Jun 21, 2016

Citation: Rastogi R, Joon P, Gupta Y, MajidWani A, Pratap V, et al. (2016) Pneumothorax - a Rare Presenting Sign of Sarcoidosis. J Gen Practice 4: 256. doi:10.4172/2329-9126.1000256

Copyright: © 2016 Rastogi R, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Abstract

Sarcoidosis is a non-infectious, inflammatory disease of unknown etiology which is characterised histologically by presence of noncaseating granulomas. It is a common pulmonary disease in Indian Subcontinent with tuberculosis as the commonest differential diagnosis. Spontaneous pneumothorax have been described in late stages of sarcoidosis but pneumothorax in early disease or the first presenting sign is very rare. This article discusses a rare case of Sarcoidosis where pneumothorax was the first presenting sign.

Keywords

Sarcoidosis; Pneumothorax; Spontaneous; Sign

Introduction

Sarcoidosis is an idiopathic, multisystem, non-infectious, inflammatory disease characterised by histological presence of noncaseating granulomas [1]. Pulmonary manifestations of the disease predominate and are associated with maximummorbidity& mortality [2]. Pneumothorax is an atypical manifestation of sarcoidosis noted in only 2% of cases with few cases reported in literature [3,4]. When encountered, pneumothorax is usually a late presentation of disease [5], rarely it may also be the first manifestation of disease as seen in our index case [6].

Case Report

A 25-year old female with history of sudden dyspnea at rest presented to the emergency departmentof our hospital. There was no history of chest pain, fever or asthma. Leading question revealed history of slight progressive dyspnea on performing household work since last few months. There was no occupational or other history suggesting exposure to any allergen.

Clinical examination revealed signs of dyspnea at rest including flaring of nares, deep supraclavicular fossa, inward drawing of intercostal spaces, restricted movement of left hemithorax and predominant abdominal breathing. Auscultation revealed lack of breathing sounds in left hemithoracic region with normal pulses. Percussion revealed hyperresonant note in left hemithorax. Laboratory tests and ECG were all unremarkable.

Chest radiograph in PA projection was advised and it revealed presence of moderate to gross pneumothorax in left hemothorax causing near-complete compression atelectasis of left lung without obvious mediastinal shift; enlargement of right hilar shadow probably secondary to adenopathy and multiple, air-filled, cystic spaces randomly distributed in all lobes of both lungs but more easily identified in compressed left pulmonary parenchyma (Figure 1).

general-practice-Radiograph-chest-projections

Figure 1: Radiograph of chest taken in PA projections shows pneumothorax on left side causing near–complete collapse of left lung (multiple thin arrows); multiple cystic spaces in left lung (thick white arrows) and right hilar enlargement representing adenopathy (arrow in right hemithorax) in patient of pulmonary sarcoidosis.

Based on these findings, sarcoidosis was suggested as the radiological diagnosis. Cystic disease of left lung with secondary pneumothorax and infection was the other differential diagnosis.

Patient was then advised tubethoracostomy to relieve dyspnea and further evaluation with contrast-enhanced computed tomography (CECT) of chest & flexible bronchoscopy for nodal biopsy.

Due to financial constraints but for completion of diagnostic workup, CECT thorax was deferred and patient was directly taken up for flexible bronchoscopy when nodal biopsy (without US guidance) confirmed presences of noncaseating granulomas while bronchoalveolar fluid revealed raised angiotensin-converting enzyme (ACE) levels, thus confirming sarcoidosis.

Patient was then discharged with ICDT in situ and on a prescription with short-course of oral corticosteroid, bronchodilator & an antibiotic. Patient was then lost to follow-up.

Discussion

Though sarcoidosis is amultisystem disease yet its pulmonary manifestations predominate with more than 90% patients having abnormal chest radiographs at the time of diagnosis [7]. The most characteristic findings include near-symmetrical, bilateral hilar & superior mediastinal adenopathy and parenchymal infiltrative lesions including reticular, reticulonodular & focal alveolar opacities [3]. However, less than one-quarter present with atypical symptoms including cavities with or without fungal balls, pleural effusions, solitary pulmonary nodules, bullae or pneumothorax [8]. Bullae seen in sarcoidosis have a different etiopathogenesis than localised cystic airspaces that are seen in end-stage disease [9].

Spontaneous pneumothorax in sarcoidosis may be unilateral or bilateral, usually secondary to rupture of bullae or necrosis of granuloma in sub pleural location which may coexist with hemorrhagic or nonhemorrhagic pleural effusion [6,10]. Pneumothoraxhas usually been described in the medical literature as a late manifestation of sarcoidosis with fibrotic or bullous disease [5]. However, very few cases have been described in the medical literature where pneumothorax is the presenting sign or the first sign of relapse [6,11-13].

Management of pneumothorax has not been conspicuous with some authors suggesting the role of corticosteroids in preventing relapse of pneumothorax [13]. Thoracoscopic bullectomy has been suggested in cases of severe bullous disease with pulmonary function impairment nonresponsive to corticosteroidor pneumothorax unresponsive to tube drainage or frequent relapses [4,11-13].

Conclusion

To summarize, pneumothorax is a rare presenting sign of sarcoidosis which should be suspected in young patients especially in the absence of history of smoking. Pneumothorax usually represents late manifestation of sarcoidosis.

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Review summary

  1. Wallace Morris
    Posted on Oct 17 2016 at 2:59 pm
    This case report is interesting and concise. The patient's first symptom from your description suggests progressive dyspnea, but what was the cause of dyspnea, pneumothorax and not sarcoidosis?

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