15 results
Ecchymosis: Bluish discoloration of skin caused by bruising with resultant subcutaneous collection
of blood.

Charlie Goldberg, M.D. -
discoloration of skin ... caused by bruising ... Images #Clinical #Dermatology ... #Ecchymosis #Arm ... #Photo #UCSDH
Herpes Zoster: Herpes virus mediated infection that occurred in this patient receiving chemotherapy 
for an underlying
vessicles in this case ... superimposed bacterial skin ... Goldberg, M.D. - UCSD ... Images #Clinical #Photo ... #Dermatology #SkinRash
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... to inflammatory skin ... osteitis) - Pustular skin ... Secondary syphilis ... #Pustular #Skin
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... 30%) ▪ Moist, heaped ... resembling rashes caused ... Diagnosis #Clinical #Photo ... #Dermatology
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
• Screen for secondary ... are asthma, allergy ... symptoms (eg, skin ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Purpura Fulminans Skin ... Here are a few leading ... purpura fulminans secondary ... Purpura #Fulminans #Skin ... Rash #clinical #photo
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... in primary or secondary ... cryoglobulins • Skin ... #dermatology #physicalexam
The Stages of Syphilis 

Primary Syphilis 
- The chancre lesion is the hallmark of primary syphilis.
soles in 50% of cases ... neurosyphilis, cranial nerve ... have positive serology ... -Gumma are ulcerating ... granuIomas on skin
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Purpura, ischemic skin ... - Affects the skin ... and peripheral nerves ... muscle weakness - Nerves ... Nerves -> mononeuritis
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Approach to the differential ... nose (epistaxis), skin ... Nephrocalcinosis causes ... loss, causing secondary ... #Algorithm #differential