8 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... is either random ... the nodules are diffuse ... HRCT #CTChest #NodularPattern
The distribution of nodules shown on HRCT is the most important factor in making an accurate
in the nodular pattern ... In most cases small ... Random refers to ... Pulmonary #HRCT #NodularPattern ... #Nodular #Pattern
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
with a nodular pattern ... Miliary TB: random ... : nodules with perilymphatic ... : nodules with perilymphatic ... #NodularPattern
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
) - General (Diffuse ... Differential Diagnosis Algorithm ... planopilaris Pattern ... Differential #Diagnosis #Algorithm ... #causes
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Focal Hair Loss Pattern ... Diffuse Hair ... Loss Pattern: ... : - Pattern ... Scaling, pustules, crusts
Diffuse Hair Loss (Alopecia) - Differential Diagnosis Algorithm

Scarring - Irreversible-biopsy required
 • Lupus erythematosus
 • Lichen
Diffuse Hair Loss ... Diagnosis Algorithm ... planopilaris Pattern ... Psychological stress #Diffuse ... #causes
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
the dominant HR-pattern ... centrilobular, perilymphatic ... or random) Is there ... Interpretation #Algorithm
Nonscarring Alopecias: Clinical features of the most common types
Patterned hair loss:
 - Age: puberty or older
Nonscarring Alopecias ... most common types Patterned ... patches; rarely diffuse ... multifocal - Total alopecia ... in 5% of cases