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The patient was awaiting chemotherapy and radiation therapy&#46; She was admitted for general deterioration associated with urinary sepsis&#44; with no dyspnea&#44; chest pain&#44; respiratory symptoms&#44; or recent trauma&#46; Physical examination and vital signs were normal&#46; Labs showed leukocytosis &#40;18&#44;740&#47;&#956;L&#41; with elevated acute phase reactants &#40;CRP 365<span class="elsevierStyleHsp" style=""></span>mg&#47;L&#44; PCT 9&#46;63<span class="elsevierStyleHsp" style=""></span>ng&#47;mL&#41; and pathological urine with nitrites and abundant bacteriuria&#46; The chest X-ray was unchanged from the previous test&#46; Treatment started with antibiotics and fluid therapy with good progress&#44; but on the third day of admission&#44; she developed subcutaneous thoracic-abdominal and cervical crepitations consistent with subcutaneous emphysema&#44; which was confirmed on a new X-ray &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>A&#41;&#46; A thoracic-abdominal computed tomography scan was requested&#44; which showed severe subcutaneous emphysema from the cervical to the pelvic region&#44; combining extensive pneumomediastinum and&#44; to a lesser extent&#44; pneumopericardium &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>B&#41;&#44; as well as significant pneumoperitoneum and retropneumoperitoneum &#40;<a class="elsevierStyleCrossRef" href="#fig0005">Fig&#46; 1</a>C&#41;&#46; A fistula was also seen in the posterior wall of the right main bronchus&#44; but it was not possible to confirm that it communicated with another organ &#40;trachea or esophagus&#41; or only with the mediastinum&#46; Given the underlying situation of the patient&#44; fiberoptic bronchoscopy was not performed to confirm the presence of the fistula&#44; although the previous endobronchial ultrasound had not shown any lesions in the right bronchus&#44; nor was a biopsy performed in this region&#46; In the following 72<span class="elsevierStyleHsp" style=""></span>h&#44; despite laboratory improvement&#44; the patient presented progressive respiratory deterioration and finally died&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0015" class="elsevierStylePara elsevierViewall">Spontaneous pneumomediastinum is usually a benign pathology associated with young people&#44; and is often accompanied by precipitating factors such as asthma&#44; cough&#44; vomiting&#44; or even drug abuse&#46;<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">2</span></a> Its appearance in patients with lung cancer is very rare&#59; in these cases&#44; the accumulation of air in the mediastinum originates from a leak from the tracheobronchial tree or from a digestive tract fistula&#44; usually due to tissue destruction caused by the neoplasm itself&#46;<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">3</span></a> If the accumulated pressure is sufficiently high&#44; air can migrate by dissection to the subcutaneous tissue and even to the peritoneum&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">Spontaneous pneumoperitoneum is the appearance of air in the peritoneal cavity with no evidence of visceral perforation&#46; It typically presents without signs of peritoneal irritation&#44; and is very rare in patients with lung cancer&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">4</span></a> Causes of secondary pneumoperitoneum to consider in these patients include perforation after bronchial biopsy&#44; the appearance of intestinal pneumatosis due to ischemia or chemotherapy or immunotherapy&#44; and even intestinal perforation due to intra-abdominal metastases&#59; none of these precipitating factors was present in our case&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall">The treatment of both spontaneous pneumoperitoneum and pneumomediastinum is usually conservative&#58; analgesia&#44; oxygen therapy&#44; and antibiotic therapy in the event of mediastinitis&#44; although in some cases improvement has been described with decompression measures using drainage tubes&#44; especially when there is evidence of tension pneumomediastinum&#46;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">5</span></a> With regard to fistulas&#44; endoscopic application of a sealant or fibrin glue&#44; coil embolization&#44; or metal or silicone prostheses may be attempted&#44; depending on the patient&#39;s status&#46; Prognosis is generally unfavorable due to complications &#40;mediastinitis&#44; tension pneumomediastinum&#44; respiratory failure&#41; and because it usually develops at a very advanced stage of the cancer&#46;</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Participation</span><p id="par0030" class="elsevierStylePara elsevierViewall">All authors confirm that they have participated actively in the preparation of this article&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Funding</span><p id="par0035" class="elsevierStylePara elsevierViewall">None&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Conflict of interests</span><p id="par0040" class="elsevierStylePara elsevierViewall">All participating authors state that they have no conflict of interests&#46;</p></span></span>"
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Case Report
Spontaneous Pneumomediastinum, Pneumopericardium, and Pneumoperitoneum in a Patient With Lung Cancer
Jorge Rodríguez Pridaa,
Corresponding author
xurdeprida@gmail.com

Corresponding author.
, Gema Castaño de las Pozasb, Jessica Rugeles Niñoa
a Medicina Interna, Hospital de Jarrio, Coaña, Spain
b Neumología, Hospital de Jarrio, Coaña, Spain
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the patient presented progressive respiratory deterioration and finally died&#46;</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><p id="par0015" class="elsevierStylePara elsevierViewall">Spontaneous pneumomediastinum is usually a benign pathology associated with young people&#44; and is often accompanied by precipitating factors such as asthma&#44; cough&#44; vomiting&#44; or even drug abuse&#46;<a class="elsevierStyleCrossRef" href="#bib0035"><span class="elsevierStyleSup">2</span></a> Its appearance in patients with lung cancer is very rare&#59; in these cases&#44; the accumulation of air in the mediastinum originates from a leak from the tracheobronchial tree or from a digestive tract fistula&#44; usually due to tissue destruction caused by the neoplasm itself&#46;<a class="elsevierStyleCrossRef" href="#bib0040"><span class="elsevierStyleSup">3</span></a> If the accumulated pressure is sufficiently high&#44; air can migrate by dissection to the subcutaneous tissue and even to the peritoneum&#46;</p><p id="par0020" class="elsevierStylePara elsevierViewall">Spontaneous pneumoperitoneum is the appearance of air in the peritoneal cavity with no evidence of visceral perforation&#46; It typically presents without signs of peritoneal irritation&#44; and is very rare in patients with lung cancer&#46;<a class="elsevierStyleCrossRef" href="#bib0045"><span class="elsevierStyleSup">4</span></a> Causes of secondary pneumoperitoneum to consider in these patients include perforation after bronchial biopsy&#44; the appearance of intestinal pneumatosis due to ischemia or chemotherapy or immunotherapy&#44; and even intestinal perforation due to intra-abdominal metastases&#59; none of these precipitating factors was present in our case&#46;</p><p id="par0025" class="elsevierStylePara elsevierViewall">The treatment of both spontaneous pneumoperitoneum and pneumomediastinum is usually conservative&#58; analgesia&#44; oxygen therapy&#44; and antibiotic therapy in the event of mediastinitis&#44; although in some cases improvement has been described with decompression measures using drainage tubes&#44; especially when there is evidence of tension pneumomediastinum&#46;<a class="elsevierStyleCrossRef" href="#bib0050"><span class="elsevierStyleSup">5</span></a> With regard to fistulas&#44; endoscopic application of a sealant or fibrin glue&#44; coil embolization&#44; or metal or silicone prostheses may be attempted&#44; depending on the patient&#39;s status&#46; Prognosis is generally unfavorable due to complications &#40;mediastinitis&#44; tension pneumomediastinum&#44; respiratory failure&#41; and because it usually develops at a very advanced stage of the cancer&#46;</p><span id="sec0005" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0005">Participation</span><p id="par0030" class="elsevierStylePara elsevierViewall">All authors confirm that they have participated actively in the preparation of this article&#46;</p></span><span id="sec0010" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0010">Funding</span><p id="par0035" class="elsevierStylePara elsevierViewall">None&#46;</p></span><span id="sec0015" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="sect0015">Conflict of interests</span><p id="par0040" class="elsevierStylePara elsevierViewall">All participating authors state that they have no conflict of interests&#46;</p></span></span>"
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Article information
ISSN: 03002896
Original language: English
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