#MayoIDFellowship Core Curriculum Lecture series

Dr. Wengenack asked our fellows to identify this fungi with “spaghetti and meatballs” appearance. #IDBR #MayoIDQ
#Malassezia

Microbiologists identify #Malassezia as the “spaghetti and meatball” yeast that causes the prototypical recurrent skin disease, tinea / pityriasis versicolor, characterized by hypo/hyperpigmented plaques and scales, often seen over the back, chest, and neck.
#Malassezia species are obligatory lipophilic and requires oil for growth.

BONUS point!
#MicroBoardReview
Name the major zoophilic species of Malassezia that does NOT require lipids for growth.

• • •

Missing some Tweet in this thread? You can try to force a refresh
 

Keep Current with Mayo Clinic Infectious Diseases

Mayo Clinic Infectious Diseases Profile picture

Stay in touch and get notified when new unrolls are available from this author!

Read all threads

This Thread may be Removed Anytime!

PDF

Twitter may remove this content at anytime! Save it as PDF for later use!

Try unrolling a thread yourself!

how to unroll video
  1. Follow @ThreadReaderApp to mention us!

  2. From a Twitter thread mention us with a keyword "unroll"
@threadreaderapp unroll

Practice here first or read more on our help page!

More from @MayoClinicINFD

Jul 30, 2022
Weekend Digest

Name the Pathogen

Five Clues
1. Tumbling #GPB
2. #Pregnancy
3. #Delicatessen
4. #Meningoencephalitis
5. #Ampicillin + #gentamicin Image
#Listeria monocytogenes

High-risk foods: unpasteurized cheeses, hot dogs and deli/lunchmeats.

High-risk groups:
- pregnant women
- newborns
- older adults
- people with weakened immune systems
#Listeriosis in pregnancy
1. Febrile gastroenteritis
2. Bacteremia
3. CNS infection uncommon

Most common in 3rd trimester

Listeria can cross placental barrier —> fetal death, premature birth, infected newborn

Granulomatosis infantiseptica

eurosurveillance.org/content/10.280…
Read 4 tweets
Jan 15, 2022
Weekend Digest

Name the Pathogen

Five Clues
1. Gram-positive bacillus with tumbling motility
2. Food safety
3. Age, pregnancy and steroids
4. Rhombencephalitis
5. Ampicillin+Gentamicin Image
2/
#Listeria monocytogenes

Soil
Decaying plant matter

Processed/unprocessed food (deli meats, hotdog, soft cheese, pate, fruits, greens/salads)

Oral route —> intestinal mucosa penetration —> systemic infection
3/
#Listeria monocytogenes and food safety!

Listeria survives in refrigeration temperature

Sporadic isolated cases
Occasional outbreaks due to food contamination (see link for recent outbreak)

fda.gov/food/outbreaks…
Read 8 tweets
Nov 20, 2021
Weekend Digest

Name the Pathogen

5 Clues:

- #Chitlins
- #Iron sepsis
- Mesenteric #adenitis
- Reactive #arthritis
- Terminal #ileitis Image
2/
#Yersinia enterocolitica

It is #zoonotic and is acquired by exposure to contaminated food.

When #IDBR says #chitlins (#chitterlings), you say Y. enterocolitica

Chitlins are food made of pork intestines (where Y enterocolitica resides)

ncbi.nlm.nih.gov/pmc/articles/P…
3/
#Yersinia enterocolitica

Enterobacteriaceae #GNB that causes #enterocolitis, diarrhea (often bloody), terminal #ileitis, mesenteric #adenitis, and RLQ pain that may be mistaken as #appendicitis (#pseudoappendicitis)
Read 6 tweets
Nov 18, 2021
Images of Infectious Diseases

46F with diabetes presents with orbital apex syndrome. Imaging and histopathology shown. What is your differential diagnosis? #MayoIDQ to follow @StephanieGrach @ZYetmar @omarabusaleh15 Image
2/ #MayoIDQ
46F with uncontrolled DM and recent DKA is admitted because of left sided HA for a month. PE: orbital apex syndrome. Head imaging shown. ENT/neurosurgery proceeded with debridement. Pathology shown. Which one of the following choices is most correct?
3/
Case diagnosis: Rhinocerebral #mucormycosis due to #Rhizopus in a person with poorly controlled diabetes mellitus

Rx:
Surgical debridement
Liposomal #Amphotericin B

Later: transitioned to #Posaconazole upon clinical control and improvement
Read 6 tweets
Nov 13, 2021
Weekend Digest

Name the pathogen

5 clues

GNB with musty odor
Clenched fist injury
Culture negative endocarditis
Needle licker osteomyelitis
Toothpick septic arthritis Image
2/
#Eikenella corrodens

Part of human oral flora

Component of polymicrobial infection related to human bites.

#IDBR buzzword is clenched-fist injury – when it is inoculated to injured knuckle of a clenched fist that strikes teeth of an opponent.

doi.org/10.1016/S0363-…
3/
#Eikenella corrodens is the “E” in HACEK – agents of culture negative endocarditis

HACEK organisms can now be cultured with current culture techniques, hence they should no longer be called “culture negative” pathogens!
Read 9 tweets
Nov 6, 2021
Weekend Digest

Name the pathogen.

Pain and discomfort when you pee
But Hans Christian Gram cannot see
Try to kill me with Doxy
Moxi chaser sets you symptom-free. Image
2/
#Mycoplasma #genitalium

“Cause of #NGU not visible by Gram stain and treated with two-stage approach using #doxycycline followed by #moxifloxacin chaser!”

Fellows, this is #IDBR material, definitely!
3/
#Mycoplasma #genitalium
Diseases;

Men: persistent / recurrent non-gonococcal urethritis (NGU) / non-chlamydia urethritis

Women: cervicitis, PID, preterm delivery, spontaneous abortion, infertility

Many infections are asymptomatic!
Don’t forget: rectal / pharyngeal infection
Read 5 tweets

Did Thread Reader help you today?

Support us! We are indie developers!


This site is made by just two indie developers on a laptop doing marketing, support and development! Read more about the story.

Become a Premium Member ($3/month or $30/year) and get exclusive features!

Become Premium

Don't want to be a Premium member but still want to support us?

Make a small donation by buying us coffee ($5) or help with server cost ($10)

Donate via Paypal

Or Donate anonymously using crypto!

Ethereum

0xfe58350B80634f60Fa6Dc149a72b4DFbc17D341E copy

Bitcoin

3ATGMxNzCUFzxpMCHL5sWSt4DVtS8UqXpi copy

Thank you for your support!

Follow Us on Twitter!

:(