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