2014 results
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
and Langerhans cell ... #Clinical #Diagnosis ... Histiocytosis #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... of Langerhans cell ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... Comparison #Table #RadiologyAssistant
The PET better demonstrates the extent of the lymphnode metastases in this patient.
Final diagnosis: small cell
Final diagnosis: ... small cell lungcarcinoma ... #Clinical #Radiology ... Fullness #SCLC #RadiologyAssistant
Here another case. On the PA-film a mass is seen that fills the aortopulmonary window. Final
Final diagnosis: ... small cell lungcarcinoma ... #Clinical #Radiology ... Fullness #SCLC #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Langerhans cell ... #Clinical #Diagnosis ... Comparison #Table #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the differential diagnosis ... or Langerhans cell ... #Clinical #Diagnosis ... Emphysema #Comparison #RadiologyAssistant
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... Lymphangiomyomatosis: Langerhans cell ... #Clinical #Radiology ... #LAM #Cystic #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
with Langerhans cell ... stage Langerhans cell ... challenging differential diagnosis ... #Clinical #Radiology ... Histiocytosis #Cystic #RadiologyAssistant
Hypersensitivity Types and Their Mechanisms
Type I - lgE - Soluble antigen
 - Allergen-specific lgE antibodies bind
antibodies bind to mast cells ... activation and cell ... natural killer cells ... - Red blood cell ... Pathophysiology #Allergy #Diagnosis
Infections in Immunocompromised Patients - Differential Diagnosis Summary
Innate Immunity:
 • Neutropenia
 • Phagocytic Deficiencies
 • Complement
- Differential Diagnosis ... Immunity (T-Cells ... Humoral Immunity (B cells ... Allogeneic Stem Cell ... #differential #diagnosis