42 results
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
to repair => Microscopic ... #orthopedics #pathophysiology ... #symptoms #signs
Salmonella Aspiration on Microscopy

66 y/o male with history of coronary artery disease presents with abdominal pain.
Aspiration on Microscopy ... CT abd/pelvis shows ... Salmonella #Aspiration #Microscopy ... clinical #pathology #microbiology
Anaplasma Infection - Anaplasma phagocytophilum
Pathophysiology: 
 • Obligate, intracellular bacteria
 • Transmitted via blacklegged tick —
phagocytophilum Pathophysiology ... morulae Signs and symptoms ... Infection #diagnosis #microbiology
Giant Cell (Temporal) Arteritis: Pathogenesis and investigations
Risk Factors:
 - Unclear environmental triggers (may be viral, not
old; F>M Signs/Symptoms ... Anemia - Giant cells ... Temporal #Arteritis #Pathophysiology ... Diagnosis #Signs #Symptoms
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Clinical Signs/Symptoms ... back pain - Symptoms ... May have signs/symptoms ... decreased reflexes Pathophysiology ... of AFB by smear microscopy
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
mutated in all cells ... Retinoblastoma Signs / Symptoms ... Retinoblastoma #pathophysiology ... diagnosis #signs #symptoms
Acute Rheumatic Fever: Pathogenesis and Clinical Findings

Delayed autoimmune reaction
-> Molecular mimicry
-> GAS antigen cross-reacts with host
->
B and CD-4+ T cells ... RheumaticFever #pathophysiology ... diagnosis #signs #symptoms
Fat Embolism Syndrome
Trauma to the long bone or pelvis accounts for —9096 of cases. The diagnosis
the long bone or pelvis ... Pathophysiology ... Diagnosis #Signs #Symptoms
Leukostasis vs Tumor Lysis Syndrome
Leukostasis:
 • Pathophysiology: Large, immature blasts and high WBC count cause hyperviscosity
Leukostasis: • Pathophysiology ... Dehydration • Symptoms ... changes, stroke symptoms ... Lysis Syndrome: • Pathophysiology ... Lysis of tumor cells
Coccidioides on culture and microscopy

This was coccidioides sp (in this particular case was posadasii, although morphologically
on culture and microscopy ... brown from age - Microscopic ... empty disjunctor cells ... Coccidioides #culture #microscopy ... #clinical #microbiology