42 results
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
and Langerhans cell ... Diagnosis #Radiology #CTChest ... Histiocytosis #RadiologyAssistant
Feedback Loop: Prolactin (PRL)
 • PRL levels exhibit diurnal, menstrual, and age-related variation
 • TRH has
maturation of immune cells ... • Alveolar Cells ... #FeedbackLoop #endocrinology ... #pathophysiology
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
LIP, Langerhans cell ... Radiology #Pulmonary #CTChest ... Emphysema #SignetRing #RadiologyAssistant
Menstrual Cycle Physiology: Ovarian Cycle – Brief Overview
LH and FSH are required for follicular development and
stimulates granulosa cells ... androgens from theca cells ... #OvarianCycle #pathophysiology ... #menstruation #endocrinology
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Langerhans cell ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
A red blood cell (red arrow) is seen crossing the basement membrane (blue arrow) and losing
A red blood cell ... pathology #clinical #pathophysiology ... #microscopy
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
blood or tumor cells ... Radiology #Pulmonary #CTChest ... #Differential #RadiologyAssistant
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
Broncho-alveolar cell ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
of Langerhans cell ... Diagnosis #Radiology #CTChest ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant