Hamartoma
Clinical features Fig 88 – Lung Hamartoma Smear from a transthoracic guided fine needle aspiration, Fragment of mesenchyma in a myxoid matrix. (H&E) Immunocytochemistry No contributory Modern Techniques of Diagnosis No contributory Differential Diagnosis
Inflammatory pseudo tumour
Clinical features Fig 91 – Inflammatory pseudotumor – Smear from a transthoracic guided fine needle aspiration – Poorly cohesive polymorphic population (fibroblasts, Histiocytes, lymphocytes and plasma cells) (H&E) Immunocytochemistry Modern Techniques of Diagnosis Non contributory Differential Diagnosis Main points
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