9 results
Signet ring cell histiocytes in lymph node sinuses! This can mimic metastatic adenocarcinoma. Histiocytes have ingested
Signet ring cell ... histiocytes in lymph node ... KyleBradleyMD #SignetRing ... #LymphNode #Pathology ... #Clinical #Microscopy
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
Differential Diagnosis Algorithm ... lymphatic system (node ... are present • Classic ... Lymphoproliferative #Disorders #Classification ... #pathophysiology
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
Vaughan Williams Classification ... to prolong AV node ... ++ influx into cells ... #Pharmacology #Classification ... #Classes #pathophysiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
increases out of cells ... Vaughan Williams Classification ... ++ influx into cells ... #Pharmacology #Classification ... #Classes #pathophysiology
X-Linked Agammaglobulinemia: Pathogenesis and clinical findings
The epidemiology of this disease is 1/340,000 births and roughly double
Pathogenesis and clinical ... involved in B cell ... to produce all classes ... adenoids, +/- lymph nodes ... Agammaglobulinemia #XLinked #pathophysiology
Hodgkin's Lymphoma Overview

Hodgkin's lymphoma (HL) is an uncommon hematological malignancy arising from mature B cells. It
Hodgkin Lymphoma - Clinical ... supraclavicular node ... ) Classification ... Excisional lymph node ... lymphoma #diagnosis #classification
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
survival is 93-95% Pathophysiology ... : 1) T-cell dysfunction ... and increased B-cell ... renal failure Clinical ... peripheral lymph nodes
Diabetic Ketoacidosis (DKA) - Pathogenesis and Clinical Findings
 • Note: in DKA, body K+ is lost
Pathogenesis and Clinical ... Findings • Note ... diffusion of K+ out of cells ... anion gap until it closes ... DiabeticKetoacidosis #DKA #pathophysiology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... transplantation CLINICAL ... CSF white blood cell ... dissociation - Of note ... the underlying pathophysiology