title: A case of squamous cell carcinoma of lung presenting with paraneoplastic type of acanthosis nigricans.
abstract: A 70-years-old male presented with blackening of both hands and face for last six months which was progressive and attended dermatology outpatients department. Dermatologist opined the skin lesions as acanthosis nigricans. He was referred to our department to evaluate for any underlying internal malignancy as he was a smoker. His chest X-ray revealed right sided hilar prominence with a mid zone cavity with fluid level. Fibreoptic bronchoscopy was done, there was one ulcerative growth in right middle lobe bronchus. Biopsy from the ulcer revealed probable squamous cell carcinoma. CT scan of thorax was also done and CT guided FNAC of Rt lung lesion yielded non small cell carcinoma. His skin lesions were also biopsied and diagnosis of acanthosis nigricans was confirmed. Here we report a case of acanthosis nigricans associated with non-small cell cancer of lung.
authors.affiliation: Department of Respiratory Medicine, R.G. Kar Medical College and Hospital, Kolkata - 700 004, West Bengal, India.
authors.forename: Subhasis
authors.initials: S
authors.lastname: Mukherjee
authors.forename: Sudipta
authors.initials: S
authors.lastname: Pandit
authors.forename: Jaydip
authors.initials: J
authors.lastname: Deb
authors.forename: Arunabha
authors.initials: A
authors.lastname: Dattachaudhuri
authors.forename: Sourin
authors.initials: S
authors.lastname: Bhuniya
authors.forename: Pulakesh
authors.initials: P
authors.lastname: Bhanja