{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T16:48:22Z","timestamp":1780332502618,"version":"3.54.1"},"reference-count":113,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2024,5,30]],"date-time":"2024-05-30T00:00:00Z","timestamp":1717027200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Children"],"abstract":"<jats:p>Pulmonologists may be involved in managing pulmonary diseases in children with complex clinical pictures without a diagnosis. Moreover, they are routinely involved in the multidisciplinary care of children with rare diseases, at baseline and during follow-up, for lung function monitoring. Lysosomal storage diseases (LSDs) are a group of genetic diseases characterised by a specific lysosomal enzyme deficiency. Despite varying pathogen and organ involvement, they are linked by the pathological accumulation of exceeding substrates, leading to cellular toxicity and subsequent organ damage. Less severe forms of LSDs can manifest during childhood or later in life, sometimes being underdiagnosed. Respiratory impairment may stem from different pathogenetic mechanisms, depending on substrate storage in bones, with skeletal deformity and restrictive pattern, in bronchi, with obstructive pattern, in lung interstitium, with altered alveolar gas exchange, and in muscles, with hypotonia. This narrative review aims to outline different pulmonary clinical findings and a diagnostic approach based on key elements for differential diagnosis in some treatable LSDs like Gaucher disease, Acid Sphingomyelinase deficiency, Pompe disease and Mucopolysaccharidosis. Alongside their respiratory clinical aspects, which might overlap, we will describe radiological findings, lung functional patterns and associated symptoms to guide pediatric pulmonologists in differential diagnosis. The second part of the paper will address follow-up and management specifics. Recent evidence suggests that new therapeutic strategies play a substantial role in preventing lung involvement in early-treated patients and enhancing lung function and radiological signs in others. Timely diagnosis, driven by clinical suspicion and diagnostic workup, can help in treating LSDs effectively.<\/jats:p>","DOI":"10.3390\/children11060668","type":"journal-article","created":{"date-parts":[[2024,6,3]],"date-time":"2024-06-03T10:06:01Z","timestamp":1717409161000},"page":"668","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Lung Diseases and Rare Disorders: Is It a Lysosomal Storage Disease? Differential Diagnosis, Pathogenetic Mechanisms and Management"],"prefix":"10.3390","volume":"11","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4875-6179","authenticated-orcid":false,"given":"Chiara","family":"Montanari","sequence":"first","affiliation":[{"name":"Department of Pediatrics, Vittore Buzzi Children\u2019s Hospital, University of Milan, 20154 Milan, Italy"},{"name":"Department of Biomedical and Clinical Science, University of Milan, 20157 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7001-9191","authenticated-orcid":false,"given":"Veronica Maria","family":"Tagi","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Vittore Buzzi Children\u2019s Hospital, University of Milan, 20154 Milan, Italy"},{"name":"Department of Biomedical and Clinical Science, University of Milan, 20157 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2750-5810","authenticated-orcid":false,"given":"Enza","family":"D\u2019Auria","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Vittore Buzzi Children\u2019s Hospital, University of Milan, 20154 Milan, Italy"},{"name":"Department of Biomedical and Clinical Science, University of Milan, 20157 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vincenzo","family":"Guaia","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Vittore Buzzi Children\u2019s Hospital, University of Milan, 20154 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anna","family":"Di Gallo","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Vittore Buzzi Children\u2019s Hospital, University of Milan, 20154 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7434-9112","authenticated-orcid":false,"given":"Michele","family":"Ghezzi","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Vittore Buzzi Children\u2019s Hospital, University of Milan, 20154 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2111-3111","authenticated-orcid":false,"given":"Elvira","family":"Verduci","sequence":"additional","affiliation":[{"name":"Department of Health Sciences, University of Milan, 20146 Milan, Italy"},{"name":"Metabolic Diseases Unit, Department of Pediatrics, Vittore Buzzi Children\u2019s Hospital, University of Milan, 20154 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3579-7403","authenticated-orcid":false,"given":"Laura","family":"Fiori","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Vittore Buzzi Children\u2019s Hospital, University of Milan, 20154 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2795-9874","authenticated-orcid":false,"given":"Gianvincenzo","family":"Zuccotti","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, Vittore Buzzi Children\u2019s Hospital, University of Milan, 20154 Milan, Italy"},{"name":"Department of Biomedical and Clinical Science, University of Milan, 20157 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,5,30]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"122","DOI":"10.4103\/0022-3859.201416","article-title":"Rare Disease Heralded by Pulmonary Manifestations: Avoiding Pitfalls of an \u201cAsthma\u201d Label","volume":"63","author":"Bajaj","year":"2017","journal-title":"J. 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