41 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Chorioretinitis • Diagnosis ... toxo IgG • CNS PCR ... Infectious: • Bacterial ... #differential #diagnosis
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
immunofluorescence, PCR ... virus NODULAR LESIONS ... - Bacterial pneumonia ... MICRONODULES - Bacterial ... #Differential #Diagnosis
Tularemia - Diagnosis and Management Summary
Francisella tularensis - Aerobic fastidious gram-negative Coccobacillus - Zoonotic Infection
 •
papulo-ulcerative lesion ... children; No evident lesion ... Splashing infected material ... Culture & GS, PCR ... management #treatment #infectiousdiseases
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
Differential diagnosis ... infections • Bacterial ... #eye #ocular #dermatology ... #InfectiousDiseases ... #Differential #Diagnosis
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver Lesions ... Tomography (CT) - Arterial ... Metastasis #Liver #Lesions ... #differential #diagnosis ... table #appearance #hepatology
CENTRAL FACIAL / NASAL LESIONS
Bacteria:
 • Leprosy (saddle nose deformity)
 • Tuberculosis (lupus vulgaris)l
 • Endemic
FACIAL / NASAL LESIONS ... Bacteria: • ... Facial #Central #Lesions ... #infections #diagnosis ... #infectiousdiseases
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... punched-out" cystic lesions ... #differential #diagnosis ... opportunistic #InfectiousDiseases
Fluid-filled Rash - Diagnostic Algorithm.  Pustule: 1) Pustules more commonly suggest an infectious process (bacterial,
Fluid-filled Rash - Diagnostic ... infectious process (bacterial ... Vesiculobullous lesions ... #Diagnosis #Dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... hemorrhagic skin lesions ... gangrenosum • Bacterial ... #Differential #Diagnosis ... #hematology #rheumatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential Diagnosis ... neutrophils) • Pus --> bacterial ... Bacterial folliculitis ... #Dermatology