41 results
Adult-Onset Still's Disease (AOSD)
Rare inflammatory disorder of unknown etiology, difficult to diagnose because of heterogenous presentation.
Rare inflammatory disorder ... salmon-colored maculopapular ... BrighamChiefs #AdultOnset ... Disease #AOSD #rheumatology
Adult Onset Still's Disease - Yamaguchi Criteria
Major criteria:
 - Fever >= 39C lasting >= 1 weeks
Typical skin rash: maculopapular ... polyarteritis nodosa #AdultOnset ... #Major #Minor #Rheumatology
Skin Hypopigmentation - Differential Diagnosis Algorithm

Diffuse Congenital - Generalized hypopigmentation of hair, eyes, skin
 • Phenylketonuria
hyperpigmented) • Pityriasis ... Hypopigmentation #disorders ... Diagnosis #Algorithm #causes
Causes of Neutrophilia - Increased Neutrophils - Differential Diagnosis Algorithm
Infection
 • Bacterial
 • Abscess
 • Viral
Medications
Causes of Neutrophilia ... • Metabolic disorders ... Myeloproliferative Disorder ... Diagnosis #Algorithm #Causes ... #Hematology
Disorders of Pigmentations - Hypopigmentation and Hyperpigmentation - Differential Diagnosis Algorithm

HYPOPIGMENTATION
Diffuse Congenital - Generalized hypopigmentation of
Disorders of Pigmentations ... hyperpigmented) • Pityriasis ... Hyperpigmentation #disorders ... Diagnosis #Algorithm #causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... and Platelet Disorders ... primary hematologic disorder ... Thrombocytopenia #Platelet #Disorders ... #Workup #hematology
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
immune system disorders ... erythematous, maculopapular ... rashes into these classes ... #erythema; #maculopapular
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Sequestration Disordered ... Connective Tissue Disorders ... Diagnosis #Algorithm #Causes ... #Hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
, vascular disorders ... , coagulation disorders ... , or other causes ... Differential #Diagnosis #hematology ... #rheumatology #
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Causes of Prolonged ... Diagnosis #Algorithm #Causes ... #Hematology #coagulation ... #disorders