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Diagnosis Age, smoking history, geographic location, history of previous malignancy
Aetiology Infection (abscesses, aspergilloma, bacteria, coccidioidomycosis, echinococcal cysts, Dirofilaria immitis, histoplasmosis, TB), benign masses (bronchial adenoma, chondroma, diaphragmatic hernia, benign mesothelioma), neurogenic tumour, sarcoidosis, sclerosing hemangioma, Wegener’s granulomatosis, rheumatoid nodules; malignant masses—1º lung cancer—which comprise 35%, metastases ± 10%, sarcoma, myeloma, Hodgkin’s disease, choriocarcinoma
coin lesionSolitary pulmonary nodule Radiology A rounded, circumscribed nodule measuring < 4 cm that may be surrounded by well-aerated pulmonary parenchyma, which often appears as an incidental finding in an otherwise unremarkable plain CXR; ±50% of CLs in the US Diagnosis
Age, smoking Hx, geographic location, Hx of previous malignancy Etiology Infection–abscesses, aspergilloma, bacteria, coccidioidomycosis, echinococcal cysts, Dirofilaria immitis, histoplasmosis, TB, benign masses– bronchial adenoma, chondroma, diaphragmatic hernia, benign mesothelioma, neurogenic tumor, sarcoidosis, sclerosing hemangioma, Wegener's granulomatosis, rheumatoid nodules; malignant masses–1º lung CA, which comprise ≥ 35%, metastases ± 10%, sarcoma, myeloma, Hodgkin's disease, choriocarcinoma
lesion(le'zhon) [L. laesio, a wound]
Primary or initial lesions include macules, vesicles, blebs or bullae, chancres, pustules, papules, tubercles, wheals, and tumors. Secondary lesions are the result of primary lesions. They may be crusts, excoriations, fissures, pigmentations, scales, scars, and ulcers.
anal squamous intraepithelial lesionAbbreviation: ASIL
Anal intraepithelial neoplasia.
Bankart lesionSee: Bankart lesion
coin lesionSolitary pulmonary nodule.
Dieulafoy lesionSee: Dieulafoy, Georges
high-grade squamous intraepithelial lesionAbbreviation: HGSIL
Treatment requires removal or destruction of the affected cells, usually with loop electrosurgical excision procedure (LEEP) or ablation. Left untreated, HGSIL may progress to invasive cervical cancer.
Hill-Sachs lesionSee: Hill-Sachs lesion
initial lesion of syphilis
Janeway lesionSee: Janeway lesion
lower motor neuron lesion
low-grade squamous intraepithelial lesionAbbreviation: LGSIL
molecular lesionMolecular disease.
Quilty lesionSee: Quilty lesion
reverse Hill Sachs lesion
Usually no surgical intervention is required when less than approx. 25% of the articular surface is involved in the fracture. When the glenoid fossa is also fractured, shoulder arthroplasty may be required.