34 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... Chorioretinitis • Diagnosis ... • Nocardia • Parasitic ... #differential #diagnosis ... #causes #radiology
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
Tree in Bud Sign ... The Tree-in-Bud sign ... #diagnosis #clinical ... #radiology #ChestCT ... #pathophysiology
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... →Activation of CD8 ... accumulation of clinical ... Assessment • Clinical ... salmonella, ...), Parasites
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Pott's Disease in ... extrapulmonary cases ... Clinical Signs ... decreased reflexes Pathophysiology ... intervention CMC
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Lung Abscess Pathophysiology ... Lung Abscess - Clinical ... : • CBC - Leukocytosis ... Coccidioides • Parasite
Alzheimer’s Disease: Pathogenesis and Clinical Findings
Risk factor for Late Onset Alzheimer's (99% of cases):
 - Increasing
Alzheimer’s Disease ... Pathogenesis and Clinical ... chromosome 21) Signs ... AlzheimersDisease #Dementia #pathophysiology ... #geriatrics #diagnosis
Trypanosomiasis - Trypanosoma cruzi Life Cycle
1) Triatomine bug takes a blood meal (passes metacyclic trypomastigotes in
Clinical manifestations ... Tcruzi #LifeCycle #diagnosis ... #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Amebiasis - Balamuthia mandrillaris Life Cycle
1) Cysts
2) Trophozoite
3) Mitosis
4) Amebae (cysts and trophozoites) can enter humans
, disseminated disease ... mandrillaris #LifeCycle #diagnosis ... #pathophysiology ... #infectiousdiseases ... #cdc #parasite
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
Pathogenesis and clinical ... • Other rare causes ... Cardiovascular disease ... Overproduction #diagnosis ... #signs #symptoms
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... Inverse Gottron’s sign ... auricular papules Clinical ... severity of the disease ... #dermatology #diagnosis