{"id":17859,"date":"2026-05-25T05:19:49","date_gmt":"2026-05-25T08:19:49","guid":{"rendered":"https:\/\/rtmedical.com.br\/tmp-en-1779697188284\/"},"modified":"2026-05-25T05:19:59","modified_gmt":"2026-05-25T08:19:59","slug":"crack-lung-radiology-case-cocaine","status":"publish","type":"post","link":"https:\/\/rtmedical.com.br\/en\/crack-lung-radiology-case-cocaine\/","title":{"rendered":"Crack Lung: Radiology Case Highlights Imaging Pitfalls"},"content":{"rendered":"

A 27-year-old man with no significant past medical history was brought to the emergency department after being found unresponsive. Toxic, diaphoretic, and lethargic, he responded only to deep sternal rub. After 1 mg of naloxone, his mental status improved. A urine toxicology screen returned positive for cocaine and cannabinoids, and the patient admitted recent inhalation of crack cocaine. Chest radiograph and chest CT were ordered, and from there a classic emergency-radiology differential began.<\/p>\n

\"Chest
Chest radiograph: the imaging entry point for acute cocaine-induced lung injury, also known as crack lung.<\/figcaption><\/figure>\n

The imaging findings<\/h2>\n

The anteroposterior chest radiograph showed diffuse airspace opacity throughout the right mid and lower lung zones. Chest CT with lung windowing demonstrated diffuse multilobar ground-glass opacities with peripheral sparing, most prominent in the right lower lobe. The radiographic pattern, taken alone, could point to bacterial pneumonia, cardiogenic pulmonary edema, or alveolar hemorrhage.<\/p>\n

The case, published in the On the Case section of Radiology Today by Sharon Lee, DO, and Darel Heitkamp, MD, illustrates an underrecognized diagnosis: cocaine-induced acute pulmonary injury, colloquially known as crack lung. The distribution of opacities, predominantly perihilar with peripheral sparing, is among the most useful clues. Still, the clinical history of recent use remains the most decisive vector for closing the diagnosis.<\/p>\n

How crack lung develops<\/h2>\n

The pathophysiology is multifactorial. First, the high temperature of inhaled crack smoke and its combustion byproducts cause caustic thermal and chemical injury to the alveolar-capillary membrane. The result is increased membrane permeability and noncardiogenic pulmonary edema. In parallel, cocaine sympathomimetic properties produce pulmonary vasoconstriction, with ischemic injury followed by reperfusion injury as the drug is cleared. The mechanical and pharmacologic combination recruits a robust immune response, with eosinophils and cytokines flooding the alveolar spaces.<\/p>\n

Bronchoalveolar lavage typically reveals black pigmented macrophages or hemosiderin-laden macrophages, classic markers of smoke inhalation and alveolar hemorrhage. These two findings are especially useful when the treating team needs to triage between infectious and noninfectious etiologies.<\/p>\n

Why imaging alone is not enough<\/h2>\n

On chest radiograph, crack lung typically presents with acute-onset bilateral airspace opacities. The distribution can be asymmetric or predominantly unilateral, especially early in the clinical course. On CT, the characteristic picture includes multilobar ground-glass opacities with smooth interlobular septal thickening and areas of consolidation, reflecting diffuse alveolar damage or hemorrhage.<\/p>\n

All of this can be confused with bacterial pneumonia, cardiogenic edema, accidental thermal inhalation injury, or idiopathic acute eosinophilic pneumonia. The literature suggests that only the integration of imaging, clinical context, physical exam, and toxicology history allows a confident diagnosis. The emergency radiologist must therefore remember to include crack lung in the differential when a young patient presents with acute diffuse opacities.<\/p>\n

Management and prognosis<\/h2>\n

Treatment is primarily supportive and centers on cocaine cessation and supplemental oxygen. Mechanical ventilation is indicated in severe hypoxemia. Corticosteroids are effective when there is a relevant eosinophilic or inflammatory component, and bronchodilators help with symptomatic relief. Because the radiographic presentation closely mimics bacterial pneumonia, empiric broad-spectrum antibiotics are commonly started on admission and de-escalated once cultures return negative.<\/p>\n

In the case described, the patient received supplemental oxygen, continuous cardiorespiratory monitoring, and bronchodilator therapy, along with empiric antibiotics that were de-escalated after negative cultures. Improvement was progressive, with symptom resolution within 48 to 72 hours of cocaine cessation and supportive care. The patient was discharged in stable condition with substance use counseling arranged at follow-up.<\/p>\n

What this means for radiology practice<\/h2>\n

The case reinforces two takeaways for any radiologist who covers emergency shifts or reads ED studies remotely. First, accessible history in the EMR and an explicit prompt for toxicology information make a real difference in avoiding unnecessary treatment and prolonged stays. Second, ground-glass opacities with peripheral sparing in a young adult should trigger crack lung as a hypothesis, alongside atypical pneumonia, alveolar hemorrhage, and neurogenic edema.<\/p>\n

Services with high teleradiology volume can benefit from checklists or structured reporting templates that already include this differential, especially in urban populations with known cocaine use prevalence. The ability to offer a short recommendation about bronchoalveolar lavage and eosinophil count improves communication with the intensivist.<\/p>\n

Connections to other topics on our blog<\/h2>\n

The discussion of tailoring reports for emergency situations parallels the expansion of imaging equipment beyond large urban centers, as we explored in coverage of single-beat cardiac CT for rural care<\/a>. In both cases, the challenge is delivering quality diagnosis in contexts where patient clinical information is not always available upfront. The careful-reporting logic also relates to our discussion of AI in pulmonary embolism detection on CTPA<\/a>, where software contextualization of findings depends on the radiologist setting the right framing.<\/p>\n

Long-term outlook<\/h2>\n

Immediate prognosis is generally favorable, but recurrent exposure raises the risk of chronic interstitial lung disease and fibrosis. For the radiologist, that implies CT follow-up in a young patient, with attention to persistent ground-glass changes or incipient reticular patterns. Discussing the importance of follow-up imaging openly with the clinician is part of the radiology contribution to reducing underdiagnosis of a condition that is still easy to miss.<\/p>\n

Source:<\/strong> Radiology Today<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

A crack lung case in a 27-year-old shows ground-glass opacities that mimic bacterial pneumonia and demand a careful toxicology-aware read.<\/p>\n","protected":false},"author":1,"featured_media":17855,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"ngg_post_thumbnail":0,"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[100],"tags":[],"class_list":{"0":"post-17859","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-radiology"},"aioseo_notices":[],"rt_seo":{"title":"","description":"Crack lung case in a 27-year-old: CT shows ground-glass opacities mimicking bacterial pneumonia. Key clues that change the radiology approach.","canonical":"","og_image":"","robots":"index,follow","schema_type":"Article","include_in_llms":true,"llms_label":"Crack lung: a radiology case study","llms_summary":"Clinical case describes cocaine-induced acute pulmonary injury (crack lung) with diffuse ground-glass opacities and peripheral sparing, treated with supportive care and de-escalated antibiotics.","faq_items":[],"video":[],"gtin":"","mpn":"","brand":"","aggregate_rating":[]},"_links":{"self":[{"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/posts\/17859\/"}],"collection":[{"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/posts\/"}],"about":[{"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/types\/post\/"}],"author":[{"embeddable":true,"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/users\/1\/"}],"replies":[{"embeddable":true,"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/comments\/?post=17859"}],"version-history":[{"count":1,"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/posts\/17859\/revisions\/"}],"predecessor-version":[{"id":17861,"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/posts\/17859\/revisions\/17861\/"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/media\/17855\/"}],"wp:attachment":[{"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/media\/?parent=17859"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/categories\/?post=17859"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rtmedical.com.br\/en\/wp-json\/wp\/v2\/tags\/?post=17859"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}