Carcinoid
Clinical features Fig 93 – Carcinoid – Smear from a transthoracic guided fine needle aspiration. Uniform population of single round/ oval regular neoplastic cells. Occasionally cells get together in small acini. Clear background (H&E). Unless you see necrosis, differential diagnosis between typical and atypical carcinoid should not be done in cytology Immunocytochemistry Genetic studies Differential […]
Pulmonary blastema of childhood (Pleuropulmonary blastema)
Clinical features Fig 95 – Pulmonary Blastoma of Childhood – Smear from a transthoracic guided fine needle aspiration composed of a big three-dimensional cellular group of blastematous cells (Giemsa) Immunocytochemistry Genetic Studies Differential Diagnosis Main points
VIII- TUMORS OF RESPIRATORY TRACT
Pancreatoblastoma
Clinical features Cytopathology Immunocytochemistry Modern Techniques of Diagnosis Differential Diagnosis Main points
Solid pseudo papillary-cystic tumour
Clinical features Fig 83- Solid –pseudopapillary neoplasm -– Delicate papillary groups (Giemsa) Immunocytochemistry Genetic Studies Differential Diagnosis Main points
VII- TUMORS OF THE PANCREAS
Focal nodular hyperplasia
Clinical features Cytopathology Immunocytochemistry Non-contributory Modern diagnostic techniques Non-contributory Differential diagnosis Main points
Infantile hemangioendothelioma
Clinical features Cytopathology Immunocytochemistry GLUT-1 positive lesions classified as hepatic infantile haemangioma Modern diagnostic techniques Differential diagnosis Main points
Mesenchymal hamartoma
Clinical features Cytopathology Immunocytochemistry Genetic studies Differential diagnosis Main points
Inflammatory pseudotumor
Clinical features Immunocytochemistry Non-contributory Modern diagnostic techniques Differential diagnosis Main points