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© 2003 American Society for Clinical Oncology
Some Unusual Paraneoplastic SyndromesCASE 1. METASTATIC SQUAMOUS CELL ESOPHAGEAL CANCER TO THE THUMBServicio de Oncologia Medica, Hospital de Gran Canaria Dr. Negrin, Las Palmas de Gran Canaria, Spain
A 56-year-old white male was received in our outpatient clinic because of slight pain and swelling on the thumb of his left hand. The patient reported a history of trauma with a fishhook 3 days earlier but recognized that the finger was already swollen for a week. The symptoms were confined to the distal phalanx of the thumb, and on examination, it had an inflammatory aspect (Fig 1
A radiograph of the thumb (Fig 2
Bone metastases are frequent in cancer patients; however, acrometastases or metastases to the hand and foot are rare. Acrometastases have been reported in a variety of malignancies, such as breast, lung, gastrointestinal, and genitourinary tract, especially renal cell carcinoma.1 In some cases, it can be the first manifestation of an occult cancer.2,3 A biopsy must be performed to confirm the diagnosis because many cases are often mistaken for benign processes, such as infection or inflammatory arthritis. EDITORS NOTE See also "Acrometastasis as an Initial Presentation of NonSmall-Cell Lung Carcinoma" Jänne P, et al: J Clin Oncol 17:29983001, 1999.
REFERENCES 1. Troncoso A, Ro JY, Grignon DJ, et al: Renal cell carcinoma with acrometastasis: Report of two cases and review of the literature. Mod Pathol 4:6669, 1991[Medline]
2. Janne PA, Datta MW, Johnson BE: Lung cancer presenting with solitary bone metastases. Case 2: Acrometastasis as an initial presentation of nonsmall-cell lung carcinoma. J Clin Oncol 17:29983001, 1999
3. Healey JH, Turnbull AD, Miedema B, et al: Acrometastases: A study of twenty-nine patients with osseous involvement of the hands and feet. J Bone Joint Surg Am 68:743746, 1986
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Copyright © 2003 by the American Society of Clinical Oncology, Online ISSN: 1527-7755. Print ISSN: 0732-183X
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