A case of adenocarcinoma of the lung presenting ground glass opacity detected by spiral CT in lung cancer screening.

Yamamoto, Kazuo; Andoh, Masahiro; Uematsu, Kazutsugu; Hibino, Suguru; Gemma, Akihiko; Yoshimura, Akinobu; Kudoh, Shoji; Kubokura, Hirotoshi; Mikami, Iwao; Koizumi, Kiyoshi; Tanaka, Shigeo; Okajima, Y.; Watari, Jun; Tajima, Hiroyuki; Kumazaki, Tatsuo; Henmi, Shinobu; Mochimaru, Hiroshi; Fukuda, Yuh; Yamanaka, Nobuaki

doi:10.1272/jnms1923.65.481

Cited by 1 publication

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“…The management decision process for patients when these are discovered must choose between observation, pursuing an invasive diagnostic procedure with biopsy, or even proceeding with therapy prior to a diagnostic procedure (13). Clinicians are increasingly having to make these decisions, because these nodules are often found secondary to lung cancer screening and increased CT scan use in general (16)(17)(18)(19)(20)(21). This study was undertaken to provide data to support this clinical decision process using an experience with a diverse cohort of patients undergoing GGO resection, by testing the hypothesis that the likelihood of a GGO being secondary to lung adenocarcinoma can be determined based on pre-treatment clinical and radiologic factors.…”

Section: Introductionmentioning

confidence: 99%

Risk of adenocarcinoma in patients with a suspicious ground-glass opacity: a retrospective review

Roy¹,

Shrager²,

Benson³

et al. 2022

J Thorac Dis

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Background: Both primary lung adenocarcinoma and benign processes can have a ground-glass opacity (GGO) appearance on imaging. This study evaluated the incidence of and risk factors for malignancy in a diverse cohort of patients who underwent resection of a GGO suspicious for lung cancer.Methods: All patients who underwent resection of a pulmonary nodule with a GGO component and suspected to be primary lung cancer at a single institution from 2001-2017 were retrospectively reviewed.Risk factors for malignancy were evaluated using multivariable logistic regression analysis that included nodule size, age, sex, and race as potential predictors.Results: The incidence of pulmonary adenocarcinoma in the 243 patients who met inclusion criteria was 86% (n=208). The most common pathologic findings in 35 patients with a benign pathology was granulomatous inflammation (n=14, 40%). Risk factors for adenocarcinoma in multivariable logistic regression were age [odds ratio (OR) 1.06, P=0.003], GGO size (OR 2.76, P<0.001), female sex (OR 4.47, P=0.002), and Asian race (OR 8.35, P=0.002). In this cohort, adenocarcinoma was found in 100% (44/44) of Asian females, 86% (25/29) of Asian males, 84% (98/117) of non-Asian females, and 77% (41/53) of non-Asian males. Conclusions:The likelihood of adenocarcinoma in lung nodules with a ground-glass component is influenced by sex and race. Asian females with a GGO have a much higher likelihood of having adenocarcinoma than men and non-Asians. This data can be used when deciding whether to pursue nodule resection or surveillance in a patient with a GGO.

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