![]() Sputum cytologic examination revealed squamous cell carcinoma.Ĩ Figure 3. Note the irregular thickening of the cavity walls. (b) Frontal chest radiograph obtained after two cycles of chemotherapy shows extensive cavitation of nodules with air-fluid levels (arrows). Note the small eccentric cavitation (arrowhead) of the mass in the left upper lung. (a) Frontal chest radiograph obtained before chemotherapy shows multiple masses (arrows) in both lungs. ![]() Cavitating metastasis in a 51-year-old man who had undergone total laryngectomy due to a laryngeal squamous cell carcinoma 2 years previously. Note the irregular thickening of the cavity walls.ħ Figure 2. ![]() There are several cavitating nodules (arrows) in both lower lobes. Transverse CT scan obtained with lung window settings shows multiple metastatic nodules in both lungs. Cavitating metastasis in a 72-year-old man with a squamous cell carcinoma in the left main bronchus. ![]() Nodul ukuran bervariasi, random, multiple Penebalan difus interstisial (limfangitik karsinomatosis) Massa dengan kavitasi Massa dengan kalsifikasi Pneumotoraks spontan Atenuasi ground-glass sekitar massa (CT halo sign) Konsolidasi dengan atau tanpa ground-glass opacity Massa dalam arteri pulmonal Atelektasis, massa endobronchialĥ Kavitasi Insiden: 4% metastasis 9% primerħ0% berasal dari squamous cell ca laporan lain menyebut tidak terdapat perbedaan signifikan dengan adenoca Sarkoma metastasis dapat membentuk kavitas, disertai pneumotoraks Kemoterapi menginduksi kavitasi Organ primer yang paling sering Kepala dan leher pada pria Genital pada wanita Mekanisme: Nekrosis jaringan tumor Check-valve mechanism pada infiltrasi tumor pada struktur bronkhialĦ Figure 1. Mekanisme Arteri pulmonal/bronchial Limfatik Cavum pleura Jalan nafas Invasi langsung Penyebaran hematogen-paling sering Sebagian besar hingga mencapai capillary bed dan arteriol Beberapa bertahan dan tumbuh dalam interstisialĤ Metastasis paru Tipikal metastasis Atipikal metastasis Hematogen Venous return mengandung cairan limfatik dari jaringan tubuh mengalir ke paru Metastasis paru sangat sering 20%–54% pasien dengan keganasan meninggal Payudara, colon, ginjal, uterus dan KL Choriocarcinoma, osteosarcoma, testis, melanoma, Ewing’s sarcoma, karsinoma tiroid Widiastuti, Sp.Rad(K)TRĢ Pendahuluan Paru-paru organ yang menyerupai filter 1 Metastasis Pulmonal atipikal: Spektrum temuan radiologi ![]()
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