49 results
Calculating a Reticulocyte Index (RI)
Reticulocyte Index = Absolute Reticulocyte Count / Maturation Correction
Absolute Reticulocyte Count =
reticulocytes x Patient's Hct ... / Normal Hct ... Index #RI #RPI #hematology ... #diagnosis #anemia
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
In many cases a HRCT ... The HRCT - not shown ... #Clinical #Radiology ... #CXR #Sarcoidosis
Reticulocyte Production Index = (Retic %) x (Hct / 45) / Maturation Factor
The maturation factor is
= (Retic %) x (Hct ... particular degree of anemia ... Retic Index < 2: ... • Anemia of chronic ... Production #Index #hematology
On the left we see a chest film with a typical finger-in-glove shadow.
The HRCT shows focal
The HRCT shows focal ... the appropriate clinical ... #Clinical #Radiology ... #CXR #CTChest #
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern(2) ... fissures, adenopathy. 2. ... #Clinical #Radiology ... #HRCT #CTChest
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Attenuation pattern (2) ... honeycombing. 2. ... #Clinical #Radiology ... #HRCT #CTChest
Complications of sickle cell disease slide 2/3 

#Sicklecell #sicklecelldisease #sicklecellanemia, #sicklecells #sickle #hematology #anemia #clinical #pediatrics
disease slide 2/ ... sicklecells #sickle #hematology ... #anemia #clinical
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
: 1) Childhood 2) ... Clinical Presentation ... Reticulocyte index < 2 ... • Allogeneic HSCT ... #oncology #hematology
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
centrilobular nodules. 2. ... #Clinical #Radiology ... #HRCT #CTChest
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Attenuation pattern (2) ... in the center. 2. ... #Clinical #Radiology ... #HRCT #CTChest