10 results
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
rash of arm present ... painless, no systemic signs ... biopsy preferred Differential ... Sporotrichiosis #Infection #clinical ... #photo #hand
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... PR3-ANCA): • Microscopic ... mucositis - Rash ... purpura: strong sign ... Dx: GPA, EGPA, microscopic
Glucagonoma-Associated Rash - The rash involved the arms, genitals, and buttocks and had progressed to the
- The rash involved ... resolve (Panel D) #Clinical ... Derm #Pathology #Radiology ... #Microscopy #CT ... #NEJM
Shawl sign poikiloderma in Dermatomyositis

Poikiloderma in general is a common finding in older individuals with chronic
Shawl sign poikiloderma ... symptoms helps differentiate ... Dermatomyositis #Rash ... #Dermatology #Clinical ... #Photo #Neck
Katayama Fever - Physical examination and diagnostic testing revealed multiple small papules on the trunk (Panel
several ill-defined nodular ... #Clinical #Radiology ... KatayamaFever #Rash ... #NEJM
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Arthritis) - MSK Radiology ... mass and NO prior signs ... Differential diagnosis ... Tendon Sheath - Nodular ... #Radiology #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... purpura: Strong sign ... , mucositis • Rash ... (PR3-ANCA)): Microscopic
Pemberton’s Sign in a Patient with a Goiter- Physical examination revealed an enlarged thyroid with no
Pemberton’s Sign ... Pemberton’s sign ... #clinical #photo ... #NEJM #Pembertons ... #sign #radiology
Poikiloderma of Civatte (Photodamage Poikiloderma)

Poikiloderma in general is a common finding in older individuals with chronic
along with other signs ... symptoms helps differentiate ... #Photodamage #Rash ... #Dermatology #Clinical ... #Photo #Neck