Inguinal Lymphadenopathy: A Rare Initial Site of Metastatic Lung Carcinoma

Abstract Solid-organ tumors involving inguinal lymph nodes commonly originate from genitourinary tract, skin, ano-rectum, or the urinary bladder. Thus, solitary metastatic involvement of inguinal lymph nodes from extra-abdominal primary malignancies is extremely rare. However, involvement of nonregi...

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Veröffentlicht in:World journal of nuclear medicine 2022-12, Vol.21 (4), p.334-337
Hauptverfasser: Mahato, Abhishek, Gahlot, Gaurav P.S., Jha, Deepak Kumar, Rajhans, Rajhans
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container_start_page 334
container_title World journal of nuclear medicine
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creator Mahato, Abhishek
Gahlot, Gaurav P.S.
Jha, Deepak Kumar
Rajhans, Rajhans
description Abstract Solid-organ tumors involving inguinal lymph nodes commonly originate from genitourinary tract, skin, ano-rectum, or the urinary bladder. Thus, solitary metastatic involvement of inguinal lymph nodes from extra-abdominal primary malignancies is extremely rare. However, involvement of nonregional lymph nodes upstages the disease to M1b with poor prognosis. Identification of the site of metastases is extremely crucial for deciding the management of patients. This is the first ever case reported of de-novo or synchronous oligometastatic disease of carcinoma lung with inguinal lymph node involvement. In addition, it highlights the importance of 18 FDG PET-CT to diagnose the involvement of inguinal lymph node that was further proved on fine needle aspiration cytology. Only two such cases of lung cancer have been reported, but both of them had inguinal lymph node during the follow-up and none was present at initial presentation.
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title Inguinal Lymphadenopathy: A Rare Initial Site of Metastatic Lung Carcinoma
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