Malignant Lung Neoplasms
Malignant Lung Neoplasms 6 94 Figure 6.1 — Atypical Adenomatous Hyperplasia, Biopsy [H&E Stain; High Power]. This preinvasive neoplastic glandular proliferation is made up of cuboidal to low columnar cells…
Unusual and Metastatic Lesions
Unusual and Metastatic Lesions 7 154 Figure 7.1a — Fetal Adenocarcinoma, Fine Needle Aspiration [Pap Stain; Low Power]. Fetal adenocarcinoma is a peripherally based lung adenocarcinoma composed of tubular and…
Lung Radiology
Lung Radiology 1 2INTRODUCTION Radiologic evaluation of lung lesions can serve many roles including primary detection, narrowing of the differential diagnosis, treatment or surgical planning, and posttreatment surveillance. Plain radiographs…
Reactive Changes and Benign Lung Lesions
Reactive Changes and Benign Lung Lesions 3 42Figure 3.1a — Reactive Epithelial Cells, Bronchial Brushing [Pap Stain; High Power]. The majority of cells shown are bronchial respiratory epithelial cells, though…
Infectious Lung Lesions
Infectious Lung Lesions 4 66Figure 4.1a — Tuberculosis, Fine Needle Aspiration [H&E Stain; High Power]. This fine needle aspiration came from a right apical cavitary mass in a woman with…
Benign Lung Neoplasms
Benign Lung Neoplasms 5 82 Figure 5.1a — Papillomatosis, Bronchial Brushing [Pap Stain; Low Power]. Three-dimensional bifurcating papillary stalks are immediately noticeable in this large microfragment of tissue. Single cells…
Normal Lung
Normal Lung 2 32 Figure 2.1a — Pigment-Laden Pulmonary Alveolar Macrophages, Bronchoalveolar Lavage [Pap Stain; High Power]. Macrophages within the alveolar spaces may contain variable amounts of pigment, which is…
