10 results
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
pattern The algorithm ... perilymphatic, random and centrilobular ... distribution is likely centrilobular ... the nodules are diffuse ... HRCT #CTChest #NodularPattern
Tree in Bud Sign
The Tree-in-Bud sign represents Endobronchial spread in a linear branching pattern and centrilobular
linear branching pattern ... and centrilobular ... surrounded by centrilobular ... connective tissue disorders ... radiology #ChestCT #pathophysiology
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Lymphoproliferative Disorders ... Differential Diagnosis Algorithm ... lymphadenopathy more diffuse ... involvement, irregular pattern ... Classification #pathophysiology
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
HIV-Associated Neurocognitive ... Disorder (HAND) ... Neurocognitive disorders ... HIV dementia Pathophysiology ... activation -> diffuse
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Traction alopecia Diffuse ... Scaling, pustules, crusts ... at bald spots associated ... • Thyroid disorders ... • Hormonal disorder
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
etiology, but associated ... with autoimmune disorders ... a stroke that caused ... Shoulder pain: Diffuse ... FrozenShoulder #pathophysiology
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
Common features and patterns ... depigmentation disorders ... o Peripheral patterns ... infections. 5 Associated ... Drug Reactions: Diffuse
Nonscarring Alopecias: Clinical features of the most common types
Patterned hair loss:
 - Age: puberty or older
most common types Patterned ... patches; rarely diffuse ... alopecia in 5% of cases ... hair - Can be associated ... other psychiatric disorders
Rome IV Criteria for diagnosing Functional Abdominal Pain Disorders (FAPD)
Irritable bowel syndrome
The criteria must be fulfilled
Abdominal Pain Disorders ... periumbilical, midline or diffuse ... stereotypical pattern ... following: anorexia, nausea ... AbdominalPain #Disorders
PFAPA Syndrome - Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Adenitis

EPIDEMIOLOGY:
PFAPA is the most common syndrome entailing
fever (FMF) PATHOPHYSIOLOGY ... conditions are associated ... contributor to this disorder ... dominant inheritance pattern ... and are not associated