Melanoma - 47-year-old female

History
47-year-old female with a six-year history of mole noted on her back in the right subscapular area. The lesion was black in color with irregular borders and with cauliflower like growth. The area was initially accidentally scratched with subsequent bleeding and followed by noticeable growth. Progressive enlargement of right axilla lymph node within 5 to 6 months. A core biopsy was obtained of axillary lymph node where the pathology was positive for high grade large cell malignant neoplasm, consistent with metastatic malignant melanoma.

2/18/05 Mammogram
3cm right axillary lesion, no suspicious lesions or microcalcifications noted in her breasts.

2/18/05 Ultrasound
Right axillary solid mass 4.8 cm in largest dimension.

3/2/05 Core bx Findings
High grade large cell malignant melanoma within the right axillary lymph node.

3/8/05 Reason for PET/CT
This is a 47 year old female newly diagnosed with stage III metastatic melanoma via axillary biopsy, referred for initial staging.

PET/CT Findings
Intense hypermetabolic right back and right axillary focal activity, compatible with known malignancy. Asymmetrically increased left uterine cervical activity is nonspecific. Further evaluation is recommended if indicated.

Treatment
Wide local excision melanoma right upper back and right axillary lymph node dissection.

Dosage
10.3 mCi F18-FDG

Courtesy of
University of Tennessee Medical Center
David Townsend