9 results
Classification of oral lesions in transplant patients
Infectious:
 • HSV infection
 • VZV virus infection
 • Epstein-Barr
Classification of ... : • HSV infection ... dentoalveolar abscesses ... , dental caries ... Candidiasis • Deep fungal
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Pathophysiology ... Prevotella • Fungal ... #differential #causes
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
It is caused by ... actually seen in all causes ... bacterial/viral/fungal ... diagnosis #clinical #radiology ... #ChestCT #pathophysiology
SEPSIS AND SEPTIC SHOCK

DEFINITION AND PATHOPHYSIOLOGY
 • Sepsis: Life-threatening organ dysfunction due to a dysregulated host
DEFINITION AND PATHOPHYSIOLOGY ... • Pathophysiology ... COMMON CAUSES + ... negative bacteria, fungi ... source (e.g., abscess
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Growers (Runyon Classification ... Growers (Runyon Classification ... - M. abscessus ... • Dyspnea, • Chest
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
aches, joint pain, chest ... Diagnosis: • Direct fungal ... Aspergillosis Pathophysiology ... Sinusitis • Brain abscess ... arthroconidia; the fungus
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Key Components: ... Assess functional ... Skin exam for infection ... one post op Cardiology ... change CV risk Chest
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
if SSTI or port infection ... suspected) - CT chest ... abdominal pain; full infectious ... > 4 days → add fungal ... Treat underlying cause
Disseminated Actinomycosis- ...Computed tomography of the chest and abdomen revealed multiple pulmonary nodules (Panel A) associated
tomography of the chest ... progressive bacterial infection ... caused by actinomyces ... formation of multiple abscesses ... NEJM #clinical #radiology