1131 results
T-LGL leukemia - T-CeIl Large Granular Lymphocytic Leukemia
Clinical
 - Persistent (>6mo) lymphocytosis (2-20k) with proven clonality
- Positive: CD2 ... , CD3, CD8 - Loss ... of CD5 and/or CD7 ... Rarely can be CD4
Steroid Synthesis Pathway

(OH, hydroxy; HSD, hydroxysteroid dehydrogenase; DHEA, dehydroepiandrosterone; pink, common enzymes affecting CAH, purple –
; pink, common enzymes ... Pathway #metabolism #pathophysiology
Heme Synthesis Pathway
Enzymes
1. ALA Synthase
2. ALA Dehydratase
3. Porphobilinogen deaminase
4. UP Ill Synthase
5. UP Ill Decarboxylase
6. Coproporphyrinogen
Synthesis Pathway Enzymes ... Synthesis #Pathway #pathophysiology
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
sulfate → Sulfatase enzyme ... Syndrome #PUBS #pathophysiology
Mechanisms of Drug-Induced Hyperkalemia 
 • Direct renin inhibitor (Aliskiren)
 • Renin release inhibition (NSAIDs, Beta-Blockers)
Angiotensin-converting enzyme ... differential #diagnosis #pathophysiology
Blood Disorders - Markers and Differential Diagnosis Algorithm 
Acute
 • Myloid (AML) - CD13, CD33, CD34,
- T-cell - CD7 ... , CD3 Chronic ... - B-cell CD5
Uric Acid Homeostasis
In the liver, purines are metabolized to uric acid. The last step in purine
metabolism involves an enzyme ... In animals, the enzyme ... Homeostasis #Gout #Pathophysiology
Inflammatory Cascade: Pathogenesis and Clinical Findings
Continued Innate Immunity
 • Phagocytosis: (main mechanism) neutrophils and macrophages engulf
puncture holes), enzyme-mediated ... #Inflammation #pathophysiology
Autoimmune Gastritis - Pathophysiology

Anti-ParietaI Cell, CD4+ T Cells, Autoantibodies -> x Parietal Cells, x HCL, x
Autoimmune Gastritis - Pathophysiology ... Anti-ParietaI Cell, CD4 ... Autoimmune #Gastritis #Pathophysiology
Systemic Lupus Erythematosus: Gastrointestinal Manifestations
 - Thrombosis of vessels in the pancreas, Vasculitis -> Acute Pancreatitis
Elevated Liver Enzymes ... Complications #pathophysiology