Endobronchial Spindle Cell Tumor of Neurogenic Origin with Coexisting Bronchial Anthracofibrosis: A Rare Case Report.
K P Shaily, Navothna Somireddy, Shrividya Sethuratnam
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Case in brief
A 69-year-old nonsmoking woman with progressive breathlessness had a 45-year history of exposure to biomass smoke. CT showed right middle-lobe atelectasis with microcalcification and extensive mediastinal lymphadenopathy; FDG PET-CT demonstrated avidity in the right middle-lobe bronchus and multiple lymph nodes. Bronchoscopy found bronchial narrowing and endobronchial obstruction. Histopathology and immunohistochemistry identified a low-grade spindle cell tumor of neurogenic origin, described as neurofibroma/schwannoma, with coexisting bronchial anthracofibrosis. After comprehensive staging, she received multidisciplinary management; the abstract does not specify treatment or outcome beyond reporting a favorable prognosis.
What made this case unusual
The tumor’s endobronchial location and neurogenic origin occurred alongside bronchial anthracofibrosis, in a nonsmoking woman with prolonged biomass-smoke exposure.
Diagnostic / clinical pearl
In airway obstruction with imaging abnormalities, bronchoscopic sampling and histopathology with immunohistochemistry can establish the nature of an endobronchial spindle cell lesion, even when imaging shows FDG-avid lymph nodes.