Special stains Respiratory anatomy Respiratory infections Potpourri
100
What is a lung cancer that is known for having cavitations in the center?
Squamous cell carcinoma
100
What is a stain that measures the mitotic index in carcinoid tumors?
Ki67
100
What is the chemical compound secreted by Type II pneumocytes?
Surfactant
100
What is a virus that causes large cells with intranuclear basophilic inclusions?
Cytomegalovirus (CMV)
100
What is the cell type that predominates in granulomatous and sarcoid lesions?
Epithelioid histiocytes
200
What is a lung cancer that is positive for TTF-1 and negative for p63?
Adenocarcinoma
200
What is a stain that is positive in squamous cell carcinomas but negative in adenocarcinomas?
p63
200
What is the neuroendocrine type cell in the lung that occurs predominantly at bifurcations in the lung?
Kulchitsky cells
200
What is a fungi that produces broad-based, single budding?
Blastomycosis
200
What is a benign tumor that is composed of cartilage?
Hamartoma
300
What is a cancer with large, obviously malignant cells but no obvious differentiation into a squamous or glandular lesion
Large cell carcinoma
300
What is a stain that is positive in adenocarcinomas but negative in squamous cell carcinomas?
TTF-1
300
What are the appendages that line benign bronchial lining cells?
Cilia
300
What is a the non-budding fungus that can cause pulmonary disease in immunosuppressed patients?
Histoplasma
300
What is an autoimmune disease characterized by necrotizing granulomas and vasculitis?
Wegener granulomatosis
400
What is a cancer that would have a mitotic index and be positive for synaptophysin?
Small cell carcinoma
400
What is a stain that is for histiocytes?
CD68
400
What is the term for coughing up blood?
Hemoptysis
400
What is the fungus that produces true 45 degree angle dichotomous branching?
Aspergillus
400
What is the lab test to analyze characteristics of lymphoid cells to determine if lymphoma is present?
Flow cytometry
500
What is a cancer that has uniform, bland cells that is positive for chromogranin?
Carcinoid
500
What is a stain that measures melanin in cells and would be positive in metastatic melanoma?
HMB45
500
What is the type of cell that must be present for a sputum to be adequate
Dust cell
500
What is the dimorphic fungus that is common in the desert southwest and has spherules and endospores?
Coccidioides
500
What is a rare granulomatous disease that usually affects the urinary tract but can affect the lung and contains primarily histiocytes containing Michaelis-Gutmann bodies.
Malakoplakia






Types of Lung cancer

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