Malignant pleural mesothelioma is known to have unusual intraparenchymal growth patterns. Few cases of malignant mesothelioma with intrapulmonary lepidic growth have been reported in the literature. We present a case of malignant mesothelioma in a 70 year old gentleman who had presented with recurrent pleural effusions. Preoperative diagnosis of well differentiated adenocarcinoma was made on a core biopsy of lung. A pleurectomy was later performed. The macroscopic examination of the pleura showed numerous nodules up to 10 mm in maximum dimension. Microscopic examination of the pleurectomy specimen revealed an epithelial malignant mesothelioma. There was also lepidic spread of the neoplasm in the adjacent lung tissue attached to the visceral pleura. The neoplastic cells were showed positive staining for calretinin, CK 5/6, D2–40 and HMBE-1 and were negative for CEA and TTF-1 thus confirming the diagnosis of malignant mesothelioma. Intrapulmonary lepidic growth is a rare manifestation of malignant pleural mesothelioma and could be a diagnostic pitfall when only small biopsies of lung are available for assessment.