9 results
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... stage before the ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... centrilobular nodules ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
pattern. 1. ... stage before the ... #Clinical #Diagnosis ... #Differential #Comparison ... #Table #RadiologyAssistant
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
small vessels • Nodules ... Identification of causes ... vasculitis (5%): PAN > GPA ... #semiology #signs ... lesions #diagnosis #clinical
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... Rarely dominate the clinical ... with a certain pattern ... #dermatology #rash
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Nodular LCH: - Sarcoidosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Differential #Comparison ... #Table #RadiologyAssistant
Wegener's granulomatosis
Wegener's is a collagen vascular disease with vasculitis involving the lung, kidney and sinuses.
In the
the vasculitis causes ... In a later stage ... #Clinical #Radiology ... #CXR #GPA #Wegeners ... #RadiologyAssistant
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
associated with signs ... honey-colored crusts ... Christmas tree pattern ... Firm red to brown nodule ... ; pruritis #dermatology
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
was caused by multiple ... This is late stage ... the central dot sign ... #Clinical #Radiology ... Histiocytosis #Cystic #RadiologyAssistant