RESEARCH ARTICLE
Nobel Med 2009; 5(1): 24-30

THE ROLE OF THE POPLITEAL LYMPH NODES IMAGING FOR DIFFERENTIATING RHEUMATOIDARTHRITIS FROM OSTEOARTHRITIS

Berna Dirim, Emel Boyraz, Hikmet Koçyiğit, Nail Hızlı, Remide Arkun, Nezahat Erdoğan, Fazıl Gelal, Engin Uluç
ABSTRACT
Purpose: We wanted to assess the role of the popliteal lymph nodes for differentiating rheumatoid arthritis (RA) from osteoarthritis (OA) by using three dimensional-fast spoiled gradient echo (3D-FSPGR) MR imaging and colour doppler ultrasonography (CDU).

Materials and Methods: The knee MR examinations of 38 cases [18 with rheumatoid arthritis (RA) and 20 with osteoarthritis (OA)] were analyzed retrospectively. MR images were acquired with a 1.5-Tesla magnet. The MR imaging protocol consisted of 3D-FSPGR sequences in three planes. Images were reviewed to describe the number, size and centrally fatty changes of the popliteal lymph nodes. Additionally, these nodes were examined by CDU. Statistical Package for Social Sciences 11.0 program for Windows was performed for statistical analysis.

Results: The popliteal nodes were observed in 88.8% of RA cases and 30% of OA cases . The number of the nodes in the RA and OA group was 53, and 8, respectively. The mean size of the lymph nodes in the RA and OA group was 7.4mm, and 3.6mm, respectively. Central fatty was observed in 100% of OA cases and in 60.4% of RA cases. The hiler vascularization was observed in the only 13% of RA cases. Mean value of the RI was determined as 0.62+/-0.005.

Conclusion: To differentiating RA from OA, the criteria of the number, sizes and central fatty changes of the popliteal lymph nodes showed statistical significance. Performing 3D-FSPGR sequence in knee MR imaging might useful to describe these nodes. The hiler vascularization with low RIs in CDU is also helpful criteria to differentiating RA from OA.
Keywords
Popliteal lymph node Rheumatoid arthritis Osteoarthritis Magnetic resonance imaging Colour doppler ultrasonography

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  • Pubmed Style
    Berna Dirim, Emel Boyraz, Hikmet Koçyiğit, Nail Hızlı, Remide Arkun, Nezahat Erdoğan, Fazıl Gelal, Engin Uluç. [ROMATOİD ARTRİTİN OSTEOARTRİTTEN AYIRICI TANISINDA POPLİTEAL LENF NODU GÖRÜNTÜLEMESİNİN YERİ]. Nobel Med 2009; 5(1): 24-30, Turkish.
  • Web Style
    Berna Dirim, Emel Boyraz, Hikmet Koçyiğit, Nail Hızlı, Remide Arkun, Nezahat Erdoğan, Fazıl Gelal, Engin Uluç. [ROMATOİD ARTRİTİN OSTEOARTRİTTEN AYIRICI TANISINDA POPLİTEAL LENF NODU GÖRÜNTÜLEMESİNİN YERİ]. www.nobelmedicus.com/en/Article.aspx?m=1716 [Access: Mayıs 24, 2021], Turkish.
  • AMA (American Medical Association) Style
    Berna Dirim, Emel Boyraz, Hikmet Koçyiğit, Nail Hızlı, Remide Arkun, Nezahat Erdoğan, Fazıl Gelal, Engin Uluç. [ROMATOİD ARTRİTİN OSTEOARTRİTTEN AYIRICI TANISINDA POPLİTEAL LENF NODU GÖRÜNTÜLEMESİNİN YERİ]. Nobel Med 2009; 5(1): 24-30, Turkish.
  • Vancouver/ICMJE Style
    Berna Dirim, Emel Boyraz, Hikmet Koçyiğit, Nail Hızlı, Remide Arkun, Nezahat Erdoğan, Fazıl Gelal, Engin Uluç. [ROMATOİD ARTRİTİN OSTEOARTRİTTEN AYIRICI TANISINDA POPLİTEAL LENF NODU GÖRÜNTÜLEMESİNİN YERİ]. Nobel Med (2009); 5(1): 24-30, [cited Mayıs 24, 2021], Turkish.
  • Harvard Style
    Berna Dirim, Emel Boyraz, Hikmet Koçyiğit, Nail Hızlı, Remide Arkun, Nezahat Erdoğan, Fazıl Gelal, Engin Uluç. (2009) [ROMATOİD ARTRİTİN OSTEOARTRİTTEN AYIRICI TANISINDA POPLİTEAL LENF NODU GÖRÜNTÜLEMESİNİN YERİ]. Nobel Med, 5(1): 24-30, Turkish.