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Unusual Presentation of Cryptogenic Organising Pneumonia as a Focal Lung Mass: A Case Report and Literature Review.
IF 0.8
Respirology Case Reports Pub Date : 2025-03-05 eCollection Date: 2025-03-01 DOI: 10.1002/rcr2.70138
Boon Hau Ng, Hsueh Jing Low, Nik Nuratiqah Nik Abeed, Nor Safiqah Sharil, Rose Azzlinda Osman, Andrea Yu-Lin Ban
{"title":"Unusual Presentation of Cryptogenic Organising Pneumonia as a Focal Lung Mass: A Case Report and Literature Review.","authors":"Boon Hau Ng, Hsueh Jing Low, Nik Nuratiqah Nik Abeed, Nor Safiqah Sharil, Rose Azzlinda Osman, Andrea Yu-Lin Ban","doi":"10.1002/rcr2.70138","DOIUrl":"10.1002/rcr2.70138","url":null,"abstract":"<p><p>Organising pneumonia (OP) is a distinct pathological pattern characterised by the presence of granulation tissue buds composed of fibroblasts and myofibroblasts embedded in a loose connective tissue matrix within the distal pulmonary airspaces. When OP occurs without an identifiable cause or etiologic context, it is termed cryptogenic organising pneumonia (COP). The diagnosis of OP can be challenging due to its diverse clinical presentations, including the idiopathic form and various secondary forms associated with underlying diseases. We report a case of a middle-aged male presenting with intermittent cough and haemoptysis. Initial sputum analysis was unremarkable, and the patient showed no improvement with antibiotic therapy. Chest radiography showed left lower zone consolidation. Computed tomography (CT) thorax revealed a mass in the left lower lobe, while positron emission tomography-computed tomography (PET/CT) demonstrated a hypermetabolic lesion at the same site. Bronchoscopic bronchoalveolar lavage was negative for tuberculosis, respiratory pathogens, and malignancy. Autoimmune screening yielded negative results. A transthoracic tru-cut lung biopsy confirmed the diagnosis of OP. The patient was treated with prednisolone, leading to significant clinical improvement and complete resolution of the lesion on follow-up CT imaging.</p>","PeriodicalId":45846,"journal":{"name":"Respirology Case Reports","volume":"13 3","pages":"e70138"},"PeriodicalIF":0.8,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11880684/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143568446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cavitary Pulmonary Disease Caused by Mycobacterium kyorinense: A Case Report on a 3-Year Clinical Course.
IF 0.8
Respirology Case Reports Pub Date : 2025-03-05 eCollection Date: 2025-03-01 DOI: 10.1002/rcr2.70142
Masahiro Yanagi
{"title":"Cavitary Pulmonary Disease Caused by <i>Mycobacterium kyorinense</i>: A Case Report on a 3-Year Clinical Course.","authors":"Masahiro Yanagi","doi":"10.1002/rcr2.70142","DOIUrl":"10.1002/rcr2.70142","url":null,"abstract":"<p><p>An 80-year-old female presented with haemoptysis, and chest computed tomography (CT) revealed bronchiectasis in the right middle lobe accompanied by granular and nodular opacities in the right lower lobe. Although acid-fast bacilli (AFB) smears were consistently positive, polymerase chain reaction (PCR) assays for <i>Mycobacterium tuberculosis</i> yielded negative results, and repeated sputum cultures on conventional solid-phase media failed to identify the causative organism. Cavitary pulmonary lesions developed progressively over 3 years, accompanied by persistent AFB smear positivity. Ultimately, liquid culture using the Mycobacteria Growth Indicator Tube (MGIT) system isolated nontuberculous mycobacteria, subsequently identified as <i>Mycobacterium kyorinense</i> (<i>M. kyorinense</i>) via matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry (MALDI-TOF MS). This case illustrates the pathogenic potential of <i>M. kyorinense</i> to induce cavitary pulmonary disease in otherwise healthy individuals, underscoring the necessity of early diagnostic strategies and prompt therapeutic intervention to prevent irreversible pulmonary damage.</p>","PeriodicalId":45846,"journal":{"name":"Respirology Case Reports","volume":"13 3","pages":"e70142"},"PeriodicalIF":0.8,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11880685/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143568410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Scallop-Related Airway Foreign Body in an Adult.
IF 0.8
Respirology Case Reports Pub Date : 2025-03-04 eCollection Date: 2025-03-01 DOI: 10.1002/rcr2.70140
Shimpei Kajie, Kentaro Nakamura, Tomohiro Moriya, Tomoyuki Ogata, Takaaki Yamashita
{"title":"Scallop-Related Airway Foreign Body in an Adult.","authors":"Shimpei Kajie, Kentaro Nakamura, Tomohiro Moriya, Tomoyuki Ogata, Takaaki Yamashita","doi":"10.1002/rcr2.70140","DOIUrl":"10.1002/rcr2.70140","url":null,"abstract":"<p><p>A 65-year-old woman aspirated scallop-containing rice porridge, presenting with dyspnea. Computed tomography revealed a foreign body in the right upper bronchus, which was removed using flexible bronchoscopy. Pathology suggested the foreign body to be scallop adductor muscle fibres. Scallop-related airway foreign bodies are rare, and flexible bronchoscopy is effective.</p>","PeriodicalId":45846,"journal":{"name":"Respirology Case Reports","volume":"13 3","pages":"e70140"},"PeriodicalIF":0.8,"publicationDate":"2025-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11879472/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143558323","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neurofibromatosis Type-1 Lung Disease Complicated by Pleuroparenchymal Fibroelastosis.
IF 0.8
Respirology Case Reports Pub Date : 2025-02-28 eCollection Date: 2025-03-01 DOI: 10.1002/rcr2.70137
Abhir Nainani, Hugh Buzacott, Nicole Goh
{"title":"Neurofibromatosis Type-1 Lung Disease Complicated by Pleuroparenchymal Fibroelastosis.","authors":"Abhir Nainani, Hugh Buzacott, Nicole Goh","doi":"10.1002/rcr2.70137","DOIUrl":"https://doi.org/10.1002/rcr2.70137","url":null,"abstract":"<p><p>Neurofibromatosis type-1 is a rare autosomal dominant disease, due to the loss of the NF1 tumour suppressor gene. Here we present a case of a 28-year-old man with neurofibromatosis type-1 lung disease and pleuroparenchymal fibroelastosis leading to recurrent pneumothoraxes requiring intervention.</p>","PeriodicalId":45846,"journal":{"name":"Respirology Case Reports","volume":"13 3","pages":"e70137"},"PeriodicalIF":0.8,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11868829/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143543777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Position-Dependent Lung Shadow Movement.
IF 0.8
Respirology Case Reports Pub Date : 2025-02-28 eCollection Date: 2025-03-01 DOI: 10.1002/rcr2.70139
Tomohiro Bando, Yumiko Sasaki, Wataru Koike, Kazuko Watanabe, Tadayoshi Hirano, Soei Gen, Mitsuaki Yagi, Daizo Yaguchi, Masato Shizu, Motoshi Ichikawa
{"title":"Position-Dependent Lung Shadow Movement.","authors":"Tomohiro Bando, Yumiko Sasaki, Wataru Koike, Kazuko Watanabe, Tadayoshi Hirano, Soei Gen, Mitsuaki Yagi, Daizo Yaguchi, Masato Shizu, Motoshi Ichikawa","doi":"10.1002/rcr2.70139","DOIUrl":"https://doi.org/10.1002/rcr2.70139","url":null,"abstract":"<p><p>A 73-year-old male presented with an abnormal chest x-ray revealing ground-glass opacity (GGO) in the left lower lung field, accompanied by elevated KL-6, SP-D, and GM-CSF antibody levels, indicative of autoimmune pulmonary alveolar proteinosis (PAP). Initial bronchoalveolar lavage and transbronchial lung biopsy revealed only nonspecific findings. During a CT-guided needle aspiration biopsy (CT-NAB), real-time imaging showed that GGO gradually moved and shifted with positional changes. Although PAP is not fully confirmed yet due to a lack of pathological findings, this case highlights several clinical suggestions for patients with atypical lung shadows, including those with suspicion of PAP. Further, this is the first report of lung shadow mobility during CT-NAB, emphasising the need for further studies to elucidate the pathophysiology of lung shadows and improve diagnostic accuracy.</p>","PeriodicalId":45846,"journal":{"name":"Respirology Case Reports","volume":"13 3","pages":"e70139"},"PeriodicalIF":0.8,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11868831/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143543875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Non-Invasive Prevention of Malignant Airway Obstruction in an Elderly Lung Cancer Patient Using Early Chemo Combination With Pembrolizumab Therapy: A Case Study.
IF 0.8
Respirology Case Reports Pub Date : 2025-02-28 eCollection Date: 2025-03-01 DOI: 10.1002/rcr2.70135
Akina Nigi, Keisuke Iwamoto, Tadashi Yabana, Hiroyuki Tanaka, Hirokazu Toyoshima
{"title":"Non-Invasive Prevention of Malignant Airway Obstruction in an Elderly Lung Cancer Patient Using Early Chemo Combination With Pembrolizumab Therapy: A Case Study.","authors":"Akina Nigi, Keisuke Iwamoto, Tadashi Yabana, Hiroyuki Tanaka, Hirokazu Toyoshima","doi":"10.1002/rcr2.70135","DOIUrl":"https://doi.org/10.1002/rcr2.70135","url":null,"abstract":"<p><p>Airway obstruction caused by lung cancer is a critical condition requiring prompt intervention. General treatments, like bronchoscopic procedures, radiation therapy, or stent placement, often involve significant risks like bleeding, fistula formation, or limited survival benefits. Chemotherapy is rarely the primary option for airway obstruction but can provide systemic benefits. This report presents a first documented case of a 79-year-old male with non-small cell lung cancer and airway obstruction, successfully treated using chemotherapy combined with pembrolizumab, an immune checkpoint inhibitor (ICI). Despite declining invasive interventions, the treatment significantly reduced the tumour size, alleviating respiratory symptoms without complications. This approach improved the patient's quality of life (QOL) and highlighted the potential of ICIs in conjunction with chemotherapy as an effective, non-invasive treatment strategy for airway obstruction. Based on a search of the PubMed database, this case is the first to document the successful use of ICIs combined with chemotherapy for treating lung cancer-induced airway obstruction. This case underscores the need for further research into integrating ICIs and chemotherapy into treatment plans, particularly for elderly patients, to optimise outcomes while preserving QOL.</p>","PeriodicalId":45846,"journal":{"name":"Respirology Case Reports","volume":"13 3","pages":"e70135"},"PeriodicalIF":0.8,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11870755/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143543793","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Severe Hypoxemia in Acute Pulmonary Embolism.
IF 0.8
Respirology Case Reports Pub Date : 2025-02-27 eCollection Date: 2025-03-01 DOI: 10.1002/rcr2.70115
Amichai Gutgold, Doron Aronson, Michael Mutlak, Asaf Miller
{"title":"Severe Hypoxemia in Acute Pulmonary Embolism.","authors":"Amichai Gutgold, Doron Aronson, Michael Mutlak, Asaf Miller","doi":"10.1002/rcr2.70115","DOIUrl":"10.1002/rcr2.70115","url":null,"abstract":"<p><p>Severe, refractory hypoxemia in pulmonary embolism may be due to an intra-cardiac right-to-left shunt. Echocardiography with agitated saline (bubble test), may be an available, point of care tool for diagnosis.</p>","PeriodicalId":45846,"journal":{"name":"Respirology Case Reports","volume":"13 3","pages":"e70115"},"PeriodicalIF":0.8,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11867694/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143524977","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Tension Pneumothorax Requiring Video-Assisted Thoracoscopic Surgery With Multimodal Pleurodesis: An Unexpected Ramification of a Ground Level Fall Without Significant Blunt or Penetrating Injury.
IF 0.8
Respirology Case Reports Pub Date : 2025-02-27 eCollection Date: 2025-03-01 DOI: 10.1002/rcr2.70132
Christ Ordookhanian, Max Slosarski, Ryan F Amidon, Komal Kapoor
{"title":"Tension Pneumothorax Requiring Video-Assisted Thoracoscopic Surgery With Multimodal Pleurodesis: An Unexpected Ramification of a Ground Level Fall Without Significant Blunt or Penetrating Injury.","authors":"Christ Ordookhanian, Max Slosarski, Ryan F Amidon, Komal Kapoor","doi":"10.1002/rcr2.70132","DOIUrl":"https://doi.org/10.1002/rcr2.70132","url":null,"abstract":"<p><p>Tension pneumothorax is characterised by progressive air accumulation in the pleural space leading to increasing intrathoracic pressure and haemodynamic instability. Pneumothorax is generally observed following blunt or penetrating trauma, though spontaneous pneumothorax can also occur in patients with risk factors. This case highlights the potential for severe complications in an otherwise healthy patient with tension pneumothorax resulting from a ground-level fall onto an absorbent soft surface with mild indirect thoracic trauma. Initial respiratory status coupled with asthma history was worrisome for asthma exacerbation; however, imaging confirmed tension pneumothorax, later complicated by persistent air leak associated with apical blebs, corrected surgically.</p>","PeriodicalId":45846,"journal":{"name":"Respirology Case Reports","volume":"13 3","pages":"e70132"},"PeriodicalIF":0.8,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11868023/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143543879","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spontaneous Pneumothorax Secondary to Pulmonary Paragonimiasis: A Case Report Highlighting Diagnostic Delay in Eastern Nepal.
IF 0.8
Respirology Case Reports Pub Date : 2025-02-26 eCollection Date: 2025-03-01 DOI: 10.1002/rcr2.70131
Arun Kumar Mahato, Sonu Shah, Sandip Kumar Sah, K C Rupak, Bigyan Adhikari, Ashit Pokhrel
{"title":"Spontaneous Pneumothorax Secondary to Pulmonary Paragonimiasis: A Case Report Highlighting Diagnostic Delay in Eastern Nepal.","authors":"Arun Kumar Mahato, Sonu Shah, Sandip Kumar Sah, K C Rupak, Bigyan Adhikari, Ashit Pokhrel","doi":"10.1002/rcr2.70131","DOIUrl":"10.1002/rcr2.70131","url":null,"abstract":"<p><p>Paragonimiasis, or oriental lung fluke, a zoonotic disease acquired by consuming raw or undercooked crustaceans such as crabs or snails, can mimic tuberculosis in endemic regions. There is a wide range of clinical symptoms depending on the parasite location, from non-specific symptoms like diarrhoea, abdominal pain, rash, and fever to pleuropulmonary symptoms like cough, haemoptysis, chest pain, and dyspnoea. Pneumothorax is the rare clinical picture. We present a case of a 48-year-old male non-smoker with a persistent cough for 3 months and who was treated for acute eosinophilic pneumonia initially at another centre. He then presented with symptoms of spontaneous pneumothorax at our centre and was treated with a chest tube. Revisiting the history, raw snail consumption was noted. Microscopic examination of a wet mount bronchoalveolar lavage (BAL) confirmed the diagnosis of <i>Paragonimus westermani</i>, and praziquantel was started; he improved significantly within 48 h.</p>","PeriodicalId":45846,"journal":{"name":"Respirology Case Reports","volume":"13 3","pages":"e70131"},"PeriodicalIF":0.8,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11864818/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143524978","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Colloid Adenocarcinoma of the Lung With Concomitant Pulmonary Actinomycosis: A Case Report.
IF 0.8
Respirology Case Reports Pub Date : 2025-02-26 eCollection Date: 2025-03-01 DOI: 10.1002/rcr2.70133
Minoru Sugihara, Daiki Goto, Saki Ishiya, Sawako Okamoto, Hirofumi Takenaka, Tetsuo Taniguchi
{"title":"Colloid Adenocarcinoma of the Lung With Concomitant Pulmonary Actinomycosis: A Case Report.","authors":"Minoru Sugihara, Daiki Goto, Saki Ishiya, Sawako Okamoto, Hirofumi Takenaka, Tetsuo Taniguchi","doi":"10.1002/rcr2.70133","DOIUrl":"10.1002/rcr2.70133","url":null,"abstract":"<p><p>Colloid adenocarcinoma of the lung is a rare subtype of lung adenocarcinoma characterised by the destruction of pre-existing airspaces caused by mucin produced by the tumour. Pulmonary actinomycosis is a chronic suppurative lung disease caused by <i>Actinomyces</i> that is sometimes difficult to differentiate from lung cancer. Here, we report a case of pulmonary colloid adenocarcinoma complicated by pulmonary actinomycosis. A 66-year-old male presented with complaints of cough and bloody sputum and was diagnosed with right upper lobe lung adenocarcinoma. During the preoperative waiting period, the lesion rapidly enlarged, prompting an early right upper lobectomy. Histopathological examination confirmed the coexistence of colloidal adenocarcinoma and pulmonary actinomycosis. The coexistence of lung cancer and pulmonary actinomycosis is extremely rare. This case represents an extremely rare coexistence of lung cancer and pulmonary actinomycosis, where a rapidly enlarging lesion was diagnosed through surgical resection.</p>","PeriodicalId":45846,"journal":{"name":"Respirology Case Reports","volume":"13 3","pages":"e70133"},"PeriodicalIF":0.8,"publicationDate":"2025-02-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11864817/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143524976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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