Abstract
Patients with hematological malignancies are at risk of developing of various infectious and non-infectious pulmonary complications. Common non-infectious pulmonary complications include pulmonary edema, leukostasis, diffuse alveolar haemorrhage (DAH) and differentiation syndrome. The overlapping imaging features pose diagnostic dilemma. We retrospectively analysed the CT findings in identifying differentiating imaging markers and developing an algorithm. 46 diagnosed patients of non-infectious pulmonary complications who underwent CT chest between February 2017 to March 2020 were included. The CT findings were recorded as parenchymal (GGO, consolidation, septal thickening, peribronchovascular interstitial thickening, and nodules), pleural effusion, and mediastinal lymphadenopathy. We categorized non-infectious pulmonary complications as: differentiation syndrome (Group1, n = 6), DAH (Group 2, n = 8), leukostasis (Group 3, n = 14),leukemic infiltrate (Group 4, n = 5), and pulmonary edema(Group 5, n = 13). Chi-square or Fisher exact test were used with p value \(\mathrm {<}\)0.05 as statistically significant.Absence of diffuse GGO in Group 4, interlobular septal thickening in Group 2 and Group 3, nodules in Group 5, and peribronchovascular interstitial thickening in Group 2 were statistically significant. Presence of interlobular septal thickening in Group 5, nodules in Group 4, and peribronchovascular interstitial thickening in Group 5 were statistically significant. Based on the results, an algorithm was developed which may suggest a possible diagnosis in an appropriate clinical scenario.
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Conceptualization: Rashmi Singh, Priyanka Naranje, Ashu Seith Bhalla, Smita Manchanda
Methodology, Analysis and Investigation: Rashmi Singh, Priyanka Naranje, Ashu Seith Bhalla
Draft Preparation: Rashmi Singh, Priyanka Naranje, Ashu Seith Bhalla
Manuscript review and editing: Priyanka Naranje, Ashu Seith Bhalla, Smita Manchanda, Manoranjan Mahapatra
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Singh, R., Naranje, P., Bhalla, A.S. et al. Evaluation of Non-infectious Pulmonary Complications in Hematological Malignancies on MDCT: Decoding Imaging Markers. Indian J Hematol Blood Transfus 37, 669–674 (2021). https://doi.org/10.1007/s12288-021-01403-2
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DOI: https://doi.org/10.1007/s12288-021-01403-2