PMC5683037_01
Photograph showing a non ulcerated nodule of 0.5 x 1.0 cm in scalp with overlying normal skin.
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There were no signs of infection and the overlying skin was normal (Fig. 1).
Fine needle aspiration cytology showing deposits of adenocarcinoma on giemsa stained smears. (A-40X, B-100X, C-200X, D-200X).
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Fine needle aspiration cytology (FNAC) was performed from the scalp lesion showed deposits of adenocarcinoma (Fig. 2). Further investigations with chest X-ray showed a large mass occupying the upper lobe of the right lung (Fig. 3).
Chest x ray showing a mass in right upper lobe.
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Fine needle aspiration cytology (FNAC) was performed from the scalp lesion showed deposits of adenocarcinoma (Fig. 2). Further investigations with chest X-ray showed a large mass occupying the upper lobe of the right lung (Fig. 3).
Cect thorax showing heterogenously enhancing mass lesion in right upper lobe.
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Subsequent computed tomography (CT) showed a large mass involving the right upper lobe associated with extensive mediastinal lymphadenopathy (Fig. 4).
Photomicrograph illustrating adenocarcinoma (A- H& e 100X), tumor cells are strongly positive for napsinna (B- 100X), EGFR (C-100X) and TTF-1 (D-100X).
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TTF-1 and Napsin A and focally positive EGFR, further corroborating the diagnosis (Fig. 5, Fig. 6).