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A Comparison of Whole-Body MRI and CT for the Staging of Lymphoma

¹ Department of Radiology, Mater Misericordiae Hospital, Dublin, Ireland.
² Department of Radiology, Cappagh National Orthopaedic Hospital, Cappagh Hospital, Finglas, Dublin, Ireland 11.
³ Department of Oncology, Mater Misericordiae Hospital, Dublin, Ireland.

View larger version (45K): [in a new window]   Fig. 1A —37-year-old woman with stage IV non-Hodgkin's lymphoma. Whole-body MRI shows evidence of extensive cervical (long arrows), axillary (intermediate arrows), and paraaortic lymphadenopathy (short arrows). Extensive signal abnormality is present from iliac bone and femoral epiphyses, extending into diaphysis, typical of malignant infiltration (arrowheads).

View larger version (42K): [in a new window]   Fig. 1B —37-year-old woman with stage IV non-Hodgkin's lymphoma. More posterior image shows extensive signal abnormality in vertebrae (white arrow) and iliac bones (arrowhead) consistent with metastases.

View larger version (80K): [in a new window]   Fig. 2A —52-year-old man with stage III non-Hodgkin's lymphoma. Axial STIR (TR/TE/TI, 4,257/58/150) image from whole-body MRI data set shows oval preauricular lymph node (white arrow, A). This is confirmed on corresponding axial CT scan (B). In same patient, axial CT scan shows extensive bilateral level 2 lymph nodes (long white arrows, C). Axial image from whole-body MRI study (D) also shows extensive bilateral lymph nodes (white arrows). Note likely involvement of fauces on whole-body MRI (arrowheads), which is less easily appreciated on CT scan. The smaller level 1b lymph nodes detected on CT (arrowheads, C) are not seen on MRI.

View larger version (106K): [in a new window]   Fig. 2B —52-year-old man with stage III non-Hodgkin's lymphoma. Axial STIR (TR/TE/TI, 4,257/58/150) image from whole-body MRI data set shows oval preauricular lymph node (white arrow, A). This is confirmed on corresponding axial CT scan (B). In same patient, axial CT scan shows extensive bilateral level 2 lymph nodes (long white arrows, C). Axial image from whole-body MRI study (D) also shows extensive bilateral lymph nodes (white arrows). Note likely involvement of fauces on whole-body MRI (arrowheads), which is less easily appreciated on CT scan. The smaller level 1b lymph nodes detected on CT (arrowheads, C) are not seen on MRI.

View larger version (107K): [in a new window]   Fig. 2C —52-year-old man with stage III non-Hodgkin's lymphoma. Axial STIR (TR/TE/TI, 4,257/58/150) image from whole-body MRI data set shows oval preauricular lymph node (white arrow, A). This is confirmed on corresponding axial CT scan (B). In same patient, axial CT scan shows extensive bilateral level 2 lymph nodes (long white arrows, C). Axial image from whole-body MRI study (D) also shows extensive bilateral lymph nodes (white arrows). Note likely involvement of fauces on whole-body MRI (arrowheads), which is less easily appreciated on CT scan. The smaller level 1b lymph nodes detected on CT (arrowheads, C) are not seen on MRI.

View larger version (59K): [in a new window]   Fig. 2D —52-year-old man with stage III non-Hodgkin's lymphoma. Axial STIR (TR/TE/TI, 4,257/58/150) image from whole-body MRI data set shows oval preauricular lymph node (white arrow, A). This is confirmed on corresponding axial CT scan (B). In same patient, axial CT scan shows extensive bilateral level 2 lymph nodes (long white arrows, C). Axial image from whole-body MRI study (D) also shows extensive bilateral lymph nodes (white arrows). Note likely involvement of fauces on whole-body MRI (arrowheads), which is less easily appreciated on CT scan. The smaller level 1b lymph nodes detected on CT (arrowheads, C) are not seen on MRI.

View larger version (92K): [in a new window]   Fig. 3A —52-year-old man with stage III non-Hodgkin's lymphoma. Axial image from CT (A) scan shows evidence of bilateral inguinal lymphadenopathy. This is confirmed on axial STIR (TR/TE/TI, 4,257/58/150) (B) and coronal STIR (4,257/58/150) (C) images (arrows).

View larger version (73K): [in a new window]   Fig. 3B —52-year-old man with stage III non-Hodgkin's lymphoma. Axial image from CT (A) scan shows evidence of bilateral inguinal lymphadenopathy. This is confirmed on axial STIR (TR/TE/TI, 4,257/58/150) (B) and coronal STIR (4,257/58/150) (C) images (arrows).

View larger version (98K): [in a new window]   Fig. 3C —52-year-old man with stage III non-Hodgkin's lymphoma. Axial image from CT (A) scan shows evidence of bilateral inguinal lymphadenopathy. This is confirmed on axial STIR (TR/TE/TI, 4,257/58/150) (B) and coronal STIR (4,257/58/150) (C) images (arrows).

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