17 results
Janeway Lesion: Flat, painless, erythematous lesions seen on the palm of this patient's hand. While
frequently associated
this patient's hand ... this case, they are ... Photo credit, Josh ... Fierer, M.D. ... Goldberg, M.D. - UCSD
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
nodular rash of arm ... wane; diagnosis ... trauma leads to skin ... #clinical #photo ... #hand
HSV Herpetic Whitlow Infection of the Finger
20 F presents with painful finger, treated w/ oral cephalexin
Diagnosis? ... virus into the hand ... Vesicular/pustules kesion ... are tough to distinguish ... #photo
Extrapulmonary manifestations of sarcoidosis.
a. Endobronchial cobblestones (a nodular appearance of the tracheal wall mucosa). 
b. Diffuse
earlobe due to skin ... in the hand bones ... Radiography scan of the finger ... manifestations #clinical #photo ... #diagnosis
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential Diagnosis ... sterile and are ... Irregular pustules on hands ... Burrows between fingers
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... treatment, the infection ... the palms of the hands ... Syphilis #Rash #Diagnosis ... #Clinical #Photo
Primary Syphilis
Usually, a single ulcer (chancre) appears at the site where the bacteria entered the body.
▪ Painless lesion ... weeks ▪ Multiple lesions ... administered, the infection ... Syphilis #Chancres #Diagnosis ... #Clinical #Photo
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... infections and ... loss, arthralgia, arm ... bruits, asymmetric arm ... occasional oligoclonal bands
Cutaneous larva migrans skin Rash
25 F recent Caribbean vacation, walked barefoot on sand and now with
rash. diagnosis ... lesion which may ... self-limited Diagnosis ... unless multiple lesions ... dermatology #clinical #photo
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
on the back of hands ... classic targetoid lesions ... • Causes are multiple ... and include: infections ... #differential #diagnosis