Respiratory Path 1 - Galbraith Flashcards
Infectious rhinitis - pathogens
- Usually viral (adeno, rhino, echo)
- Can get bacterial superinfection
Infectious rhinitis - presentation (viral and bacterial)
Prognosis?
- Clear, watery catarrhal secretion (runny nose) = viral
- Mucopurulent (green, thicker) = bacterial superinfection
- Self-limited (resolves with time)
Differentiating infectious rhinitis from ALLERGIC rhinitis
Allergic = IgE hypersensitivity reaction
- Similar presentation otherwise
Edematous protrusions of nasal mucosa, with a myxoid spongy core of eosinophils, lymphocytes, plasma cells, and neutrophils
Common cause?
Complication?
Nasal polyps
- Secondary to repeated RHINITIS episodes (often)
- Can cause OBSTRUCTION
Protrusions of nasal mucosa lined with sinonasal pseudostratified epithelium with interspersed goblet cells
Nasal polyps
Sinusitis - culprits (2)
Caused by ______
- Oral bacteria or allergies
- Impaired drainage of sinuses (rhinitis, blockage (polyp))
FUNGAL sinusitis…organisms? (2)
Think what?
- Mucormycosis, Aspergillus
- DIABETICS or immunocompromised
Common symptoms of sinusitis
Discomfort, malaise
Sinusitis - complication?
Thus?
Spread into underlying tissues (bone, orbit, cranium)
MUST BE TREATED
Common start spot for a sinusitis infection
Tooth infection –> spreads upward into sinus
Red, swollen tonsils with white exudate on top (organisms?)
Bacterial pharyngitis/tonsillitis (group A strep, S. aureus)
Pharyngitis/tonsillitis…most common pathogens?
Interesting thing about these pathogens?
Adenovirus, Echovirus, Rhinovirus
SAME ONES as in rhinitis –> can move down and cause this too
Necrotizing lesions of URT… 3 causes?
- Fungal infection
- Granulomatosis with polyangiitis
- NK/T cell lymphoma (EBV)
Male, 40-60, asian or latin american, necrotizing ulceration lesion of the upper respiratory tract
Aggressive (EBV) NK/T cell lymphoma
Adolescent male (red head, fair skin) Benign vascular tumor with stromal background in the nasal cavity
Nasopharyngeal angiofibroma
Common location of nasopharyngeal angiofibroma
Posterolateral roof of the nasal cavity
“Benign” nature of a nasopharyngeal angiofibroma
Thus?
May be locally aggressive and extend into the cranium
MUST be excised completely
Male, 30-60
Benign tumor of the RESPIRATORY or SQUAMOUS mucosa in nasal cavity and sinuses
Sinonasal (Schneiderian) papilloma
3 types of sinonasal (Schneiderian) papilloma
- Exophytic (growing up off mucosal surface)
- Inverted (growing down into mucosa and tissue)
- Cylindrical
Sinonasal (Schneiderian) papilloma - pathogens
HPV 6, 11 (Exophytic, Inverted)
Squamous cell-lined fronds growing downward into stromal tissue from mucosal surface
Complications?
Treatment?
Inverted sinonasal papilloma
Malignant extension into orbit or cranial vault
EXCISION - to prevent recurrence