Abstract
This study was carried out with the objective of studying the cytomorphology of the wide variety of chest-wall lesions. Two hundred twenty-seven chest-wall lesions were studied over a period of 4 yr. Routine May-Grünwald-Giemsa (MGG) and hematoxylin-eosin (H&E) slides were studied along with special stains, whenever required. The malignant lesions comprised 36.13% of all cases (81/227). Of the 126 benign lesions, the majority were inflammatory in nature (68/126), the next commonest lesion being lipoma (38/126). Rare cases of tuberculosis involving the sternum, epithelioid leiomyosarcoma, and neuroendocrine tumors involving ribs, malignant nerve sheath tumors involving the chest wall, metastatic carcinoma of the stomach and prostate, and papillary carcinoma thyroid are reported in this series. Histopathology was available in 24 cases, and hematological correlation in one case. A 100% cytohistological and cytohematological correlation was found, with no false positives or false negatives. In conclusion, fine-needle aspiration cytology is a rapid, diagnostic tool, eliciting many interesting lesions in the chest wall. It is useful not only in detecting primary and metastatic lesions, but also in follow-up of tumor recurrence.
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