case_images: PMC10601785_01
case_images: Dissected right axillary lymph nodes showing gross metastasis.
case_images: cro-2023-0016-0001-533822_F01.jpg
case_images: PMC10601785_01_cro-2023-0016-0001-533822_F01.jpg
case_images: F1
case_images: She underwent extended resection and axillary lymph node dissection for abdominal malignant melanoma in the abdomen with axillary lymph node metastasis (pT4aN3M0, STAGE IIIC) and received peginterferon-alpha as postoperative adjuvant therapy (Fig. 1).
case_images: CT scan of the neck after radiotherapy: arrow indicates lymph node with a long diameter of 23.5 mm.
case_images: cro-2023-0016-0001-533822_F02.jpg
case_images: PMC10601785_01_cro-2023-0016-0001-533822_F02.jpg
case_images: F2
case_images: Therefore, radiotherapy (electron beam, 66 Gy) was applied to the cervical lymph node, leading to a partial response (Fig. 2).
case_images: CT scan of the neck 4 months after the completion of radiotherapy; lymph node diameter increased to 35.3 mm.
case_images: cro-2023-0016-0001-533822_F03.jpg
case_images: PMC10601785_01_cro-2023-0016-0001-533822_F03.jpg
case_images: F3
case_images: At 4 months after the completion of radiotherapy, the tumor was enlarged (Fig. 3).
case_images: Cervical CT 1 month after dabrafenib/trametinib administration; lymph node long diameter reduced to 27.5 mm.
case_images: cro-2023-0016-0001-533822_F04.jpg
case_images: PMC10601785_01_cro-2023-0016-0001-533822_F04.jpg
case_images: F4
case_images: At 1-month posttreatment, the tumor had stopped growing and the long diameter was reduced by 22.2% (Fig. 4).