Abstract:
:Subcutaneous tissue is a rare site of metastasis, accounting for only 1-2% of all lung neoplasms. Positron emission tomography (PET) using ¹⁸F-fluorodeoxyglucose (FDG) has been reported to increase the diagnostic accuracy of subcutaneous metastasis. A 58-year-old woman presented with complaints of dry coughing, in which three positive subcutaneous nodules were found on ¹⁸F-FDG positron emission tomography and computed tomography (PET/CT). Pathologic examination confirmed that each of the nodules contained 1) necrotic fat, 2) small amounts of blood cells and glandular epithelium, and 3) subcutaneous metastasis of moderately differentiated lung squamous cell carcinoma, respectively. Although PET/CT is useful for the detection of subcutaneous metastasis of primary lung cancer, we noted heterogeneous accumulation of ¹⁸F-FDG in subcutaneous tumors. This case highlights the importance of obtaining histological confirmation of malignant diseases whenever possible.
journal_name
Medicine (Baltimore)journal_title
Medicineauthors
Zhao Q,Wang ZT,Sun JL,Han D,An DZ,Zhang DK,Li BSdoi
10.1097/MD.0000000000000851subject
Has Abstractpub_date
2015-05-01 00:00:00pages
e851issue
21eissn
0025-7974issn
1536-5964pii
00005792-201505050-00015journal_volume
94pub_type
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