31 results
Leishmaniasis Life Cycle
1) Sandfly takes a blood meal (injects promastigote stage into the skin)
Human Stages:
2) Promastigotes
stage into the skin ... of parasitized cell ... Leishmaniasis #LifeCycle ... #diagnosis #pathophysiology ... infectiousdiseases #cdc
Trunk / Sacral Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic
 • Squamous cell carcinoma
 • Basal cell
Trunk / Sacral Skin ... Differential Diagnosis Algorithm ... Neoplastic • Squamous ... cell carcinoma ... Differential #Diagnosis #Algorithm
Head and Neck Skin Ulcers - Differential Diagnosis Algorithm
Neoplastic:
 • Squamous cell carcinoma
 • Basal cell
Head and Neck Skin ... Differential Diagnosis Algorithm ... Neoplastic: • Squamous ... cell carcinoma ... • Basal cell carcinoma
Inflammatory mechanism of asthma. 
Airway epithelial cells exposed to activation stimuli, including allergens, viruses, and irritants,
promote dendritic cell ... (DC) mobilization ... antigens and thereby activate ... naive CD4 T cells ... #asthma #pathophysiology
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Skin Ulcers of the ... Differential Diagnosis Algorithm ... Neoplastic: • Squamous ... cell carcinoma ... • Basal cell carcinoma
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
of Malignancy - Pathophysiology ... production: Small cell ... in the bone • Squamous ... Hypercalcemia #Malignancy #Pathophysiology ... Differential #Diagnosis #algorithm
Type IV Hypersensitivity: Pathogenesis and clinical findings
Definition: Unique because it is entirely T-Cell mediated; exposure to
is entirely T-Cell ... -> Particular CD4 ... activate macrophages ... , mast cells or ... Allergy #Immunology #pathophysiology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... Differential Diagnosis Algorithm ... Neoplastic: • Squamous ... cell carcinoma ... Differential #Diagnosis #Algorithm
Humoral Immunity - Pathogenesis and Clinical Findings
Antigens (Ag) are produced from pathogens (bacteria, viruses, fungi, parasites)
present Ag to CD4 ... and activate them ... neutralizing them - Activate ... Complement: Abs activate ... Humoral #Immunity #pathophysiology
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Erythroderma - Diagnostic Algorithm ... Pathophysiology: ... of germinative skin ... cells. ... T-cells #Diagnosis