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  • Title: Malignant cutaneous and subcutaneous abdominal wall lesions: a fine-needle aspiration study.
    Author: David O, Kluskens L, Reddy V, Gattuso P.
    Journal: Diagn Cytopathol; 1998 Oct; 19(4):267-9. PubMed ID: 9784989.
    Abstract:
    Cutaneous and subcutaneous masses of the abdominal wall are uncommon. However, a variety of benign and neoplastic entities can be encountered in this region. We report a series of 22 fine-needle aspirations (FNA) of malignant cutaneous and subcutaneous lesions involving the abdominal wall. All of these lesions were metastatic neoplasms. There were 14 females and eight males, with an age range of 35-83 years (mean 65 years). Twenty-one had a previous history of malignancy. The mean interval between the primary diagnosis and FNA was 26 months (range 1.5-128 months). The sites of origin in order of decreasing frequency were colon (n = 4), ovary (n = 4), breast (n = 3), endometrium (n = 2), melanoma (n = 2), and one case each of cervix, urinary bladder, kidney, pancreas, gallbladder, and lymphoma. One case was a squamous-cell carcinoma of unknown origin. Fourteen of the 22 patients were dead at the end of this study, with a mean survival of 8.4 months (range 0.5-44 months) following FNA. One patient was alive with disease at 13 months, and seven patients were lost to follow-up. Based on this data and on review of the literature we conclude that the majority of malignant cutaneous and subcutaneous lesions of the abdominal wall subject to FNA biopsy are metastatic tumors which originate from intra-abdominal, pelvic, and retroperitoneal organs and that FNA is a highly useful technique in the assessment of these lesions of the abdominal wall.
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