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Fig. 4 | Chinese Journal of Cancer

Fig. 4

From: Relapse of both small cell lung cancer and Lambert–Eaton myasthenic syndrome after a 13-year disease-free survival period

Fig. 4

Cytological findings in the SCLC patient with LEMS at the age of 85 years. Specimens were obtained by cervical lymph node needle aspiration biopsy on March 3, 2015. Paraffin-embedded sections were stained with antibody using the polymer method and signal was developed with DAB. Sections were counterstained with hematoxylin. Positive staining for markers in cytoplasm and on cell membrane was indicated in brown. a Cytological examination revealed small cell carcinoma. b CD56 was diffusely and strongly positive on cell membrane. c Chromogranin A was focally and moderately expressed in cytoplasm. d Synaptophysin was not expressed in cytoplasm

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