10 results
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... Inflammatory: • IBD ... malignancy • Iron deficiency ... Diagnosis #Algorithm #Causes ... #Hematology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... Sarcoidosis • Crohn's ... gangrenosum • IBD ... • Cholesterol emboli ... Sarcoidosis #dermatology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
- Protein S deficiency ... - Protein C deficiency ... Ischemic Liver, IBD ... coagulation and other causes ... pathophysiology #hematology
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... PFO: paradoxical emboli ... artery aneurysm: Causes ... Lipoprotein a ↑ - IBD ... Diagnosis #clots #hematology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Clotting factor deficiency ... - Cholesterol embolism ... - Nutritional deficiency ... #dermatology #physicalexam
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... the disease and ILD ... increases and ILD ... prevalence of RP-ILD ... #dermatology #diagnosis
Symmetrical Drug-Related Intertriginous and Flexural Exanthema (SDRIFE)

49M +burning rash groins/buttocks (pic in next thread) x 1d.
groins/buttocks ... warm,red patch groins ... MCQ highlights a case ... Washington University ID ... clinical #photo #dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
• Psoriasis - Elbows ... honey-colored crusts ... Lesions arise in crops ... ; pruritis #dermatology ... #rash #differential
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
(blue-purple) rash ... • Erythematous rash ... Muscle atrophy may cause ... Dermatomyositis: • ILD ... #dermatology
Pyoderma Gangrenosum (PG)
50 M Crohn’s dz had a small pustule on the ankle 4 mo ago
Gangrenosum (PG) 50 M Crohn ... conditions such as IBD ... -1β, IL-8, IL-17 ... medications in most cases ... clinical #photo #dermatology