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BECOM 3 Ex 4
Adenocarcinoma of the Lung
Characteristics
Most Common Lung Cancer
Most Common in Nonsmokers
Peripheral Location
KRAS, EGFR, and ALK Mutations
Diagnosis
Glandular Pattern
Often Stains with Mucin
Clinical Features
Presents with Hemoptysis
Clubbing
Treatment
Surgical Resection
Chemotherapy and Radiation
2 mins
Squamous Cell Carcinoma of the Lung
Characteristics
Strong Correlation with Smoking
More Common in Men
Central Location
Cavitating Lesion Extending to Hilum
PTHrP Causes Hypercalcemia
Diagnosis
Keratin Pearls
Intercellular Bridges
Treatment
Surgical Resection (if Early Stage)
Chemotherapy and Radiation (if Later Stage)
2 mins
Small Cell (Oat Cell) Carcinoma
Characteristics
Aggressively Malignant
Strong Correlation with Smoking
Central Location
Amplification of Myc Oncogenes
Signs and Symptoms
Narrowing of Bronchial Airways
Cushing's Syndrome
Ectopic ACTH
Syndrome Of Inappropriate Antidiuretic Hormone (SIADH)
Lambert-Eaton Syndrome
Diagnosis
Kulchitsky Cells
Neuron-Specific Enolase Positive
Chromogranin A Positive
Treatment
Chemotherapy and Radiation
3 mins
Large Cell Carcinoma
Characteristics
Strong Correlation with Smoking
Poor Prognosis
Peripheral Lesions
Symptoms
Gynecomastia
Galactorrhea
Diagnosis
Anaplastic Cells
Pleomorphic Giant Cells
May Produce Beta hCG
Diagnosis of Exclusion
Treatment
Surgical Resection
Less Responsive to Chemotherapy and Radiation
2 mins
Bronchial Carcinoid Tumor
Characteristics
Excellent Prognosis
Signs and Symptoms
Symptoms of Bronchial Obstruction
Often Asymptomatic
Carcinoid Syndrome
Diarrhea
Wheezing
Flushing
Diagnosis
5-HIAA in Urine
Nests of Neuroendocrine Cells
Chromogranin A Positive
Treatment
Surgical Resection
Octreotide for Symptomatic Relief
2 mins
Mesothelioma
Characteristics
Malignant Pleural Tumor
Asbestos Exposure
Presentation
Dyspnea
Decreased Breath Sounds
Constitutional B Symptoms
Diagnosis
Hemorrhagic Pleural Effusion
Pleural Thickening
Psammoma Bodies
Calretinin
Interventions
Surgery
Chemotherapy
2 mins
Pancoast Tumor
Characteristics
Apical Lung Tumor
Non-small Cell Lung Cancer
Clinical Features
Axillary or Shoulder Pain
Hoarseness
Horner Syndrome
Superior Vena Cava Syndrome
Sensorimotor Deficits
Hemidiaphragm Paralysis
1 min
Horner Syndrome
Pathophysiology
Sympathetic Disruption
Hypothalamus
Ciliospinal Center
Superior Cervical Ganglion
Ocular Muscles
Clinical Triad
Ptosis
Anhidrosis
Miosis
Diagnosis
Diagnosis by Clinical Impression
MRI
Management
Treat Underlying Disorders
3 mins
Superior Vena Cava Syndrome
Characteristics
Obstruction of Superior Vena Cava
Tumor
Thrombosis
Clinical Features
Upper Extremity and Facial Edema
Venous Engorgement over Upper Extremity, Face, and Chest
Increased Intracranial Pressure
Management
Treat Underlying Disorders
2 mins
Atypical Pneumonia
CHARACTERISTICS
Diffuse Patchy Inflammation
Interstitial Pattern
"Walking Pneumonia"
Etiologies
Mycoplasma pneumoniae
Chlamydia pneumoniae
Legionella pneumophila
Adenovirus
Respiratory Syncytial Virus (RSV)
Cytomegalovirus (CMV)
Influenza
Presentation
Dry Cough
Treatment
Macrolides
2 mins
Streptococcus Pneumoniae Disease
Signs and Symptoms
Sickle Cell Anemia
Sepsis in Patients with Splenectomy
Rusty Sputum
MOPS
Meningitis
Otitis Media
Pneumonia
Sinusitis
2 mins
Mycoplasma Pneumoniae
Characteristics
No Cell Wall and No Gram Stain
Cholesterol Membrane
Eaton's Agar
Mulberry Colonies
Disease
Atypical pneumonia
Military Recruits
Cold IgM Autoimmune Hemolytic Anemia
Erythema Multiforme
Treatment
Tetracycline
Erythromycin
2 mins
Streptococcus Pneumoniae Characteristics
Characteristics
Gram-Positive
Diplococci
Lancet-Shaped
Catalase-Negative
Optochin-Sensitive
Bile Soluble
Alpha-Hemolytic
Polysaccharide Capsule
Positive Quellung Reaction
IgA Protease
1 min
Common Causes of Pneumonia: Adults (18 - 40 Years Old)
Mycoplasma
Streptococcus pneumoniae
Chlamydia pneumoniae
41 secs
Common Causes of Pneumonia: Children (4 Weeks - 18 Years)
Runts May Cough Chunky Sputum
RSV (Viruses)
Mycoplasma
Chlamydia pneumoniae
Chlamydia trachomatis
Streptococcus pneumoniae
1 min
Common Causes of Pneumonia: Elderly (65+ Years Old)
Influenza Virus
Haemophilus influenzae
Anaerobes
Streptococcus pneumoniae
Gram-Negative Rods
59 secs
Common Causes of Pneumonia: Neonates (< 4 Weeks Old)
Group B Streptococci
E. coli
44 secs
Common Causes of Pneumonia: Middle-Aged Adults (40 - 65 Years Old)
Streptococcus pneumoniae
Mycoplasma
Haemophilus influenzae
Anaerobes
Viruses
1 min
Dysfunctional Uterine Bleeding
Assessment
Bimodal Age Distribution
Painless Vaginal Bleeding
Amenorrhea
Menorrhagia (Heavy Menstrual Bleeding)
Metrorrhagia (Bleeding Between Menses)
Interventions
Balloon Thermotherapy
Hormone Medications
Dilation and Curettage (DandC)
Considerations
Monitor for Anemia
3 mins
Endometriosis Symptoms and Treatment
Symptoms
Dysmenorrhea
Cyclic Pelvic Pain
Dyschezia
Dysuria
Dyspareunia
30-40% are Infertile
Treatment
Surgery
NSAIDs
OCPs
Progesterone (Progestins)
GnRH Agonists
1 min
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