31 results
Borrelia recurrentis Infection - Spirochetes were visible (arrows), a finding that suggested louseborne relapsing fever #Clinical
louseborne relapsing fever ... #Clinical #Pathology ... #Recurrentis #Smear
Plasmodium vivax on peripheral smear
A college student presents w/ headache, fever, chills. Returned 2 days ago
on peripheral smear ... presents w/ headache, fever ... enlarged infected rbc ... patient Infected RBCs ... blood #clinical #pathology
Plasmodium - Identification Algorithm
 • P. falciparum: RINGS AND GAMETOCYTES PREDOMINATE, Small delicate rings, <1/3 size
rings, <1/3 size RBC ... Multiple rings/RBC ... rings, ≤ 1/3 size RBC ... Identification #Algorithm #pathology ... #smear #microscopy
Beautiful acanthocytes/spur cells in a patient with McLeod Syndrome. X-linked disorder characterized by reduced expression of
expression of Kell RBC ... McLeod #Syndrome #Smear ... #Pathology #Microscopy
Pancytopenia - Differential Diagnosis Algorithm
 • 12-13 g/dL,
 • ANC < 1800/uL,
 • platelet < 150,000/uL

Initial
/uL Initial Workup ... : CBC with diff, ... acid, peripheral smear ... Algorithm #hematology #workup
Fever of Unknown Origin (FUO) - Further Workup

 • CNS symptoms? Get an LP and imaging
Fever of Unknown ... FUO) - Further Workup ... Refer to your ‘Fever ... Thick and thin smear ... UnknownOrigin #workup
Oroya Fever
Hematologic disease caused by Bartonella bacilliformis
Restricted to the Andes highlands of Peru & Ecuador
B. bacilliformis:
Oroya Fever Hematologic ... Inflammation: high fever ... anorexia, ARDS ​• RBC ... phase: Peripheral smear ... coccobacillus within the RBCs
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... decreased PLT count: CBC ... peripheral blood smear ... dysplasia on the smear ... Diagnosis #Causes #Workup
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
Peripheral Blood Smear ... Hgb 12.5, WBC 14 ... diagnosed with a blood smear ... sensitivity of blood smear ... BloodSmear #microscopy #pathology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
hypertension • Unusual RBC ... bartonella (oroya fever ... acanthocytes - Consider RBC ... Diagnosis #Algorithm #workup