Micro - Pictures

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Answer 1

Histiocyte containing numerous yeast cells of Histoplasma capsulatum.

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Answer 2

HIstoplasmosis

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Histoplasmosis

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Coccioides

Spherules full of endospores

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Cocciodies

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Spherules full of endospores

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Cocciodes

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Blastomycosis

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Paracoccidiomycosis

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Answer 9

Tinea versicolor

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Cryptococcus

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Aspergillus

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Aspergilus

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Rhizopus

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Broad, irregular, nonseptate hyphae branching at wide angles

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Think mucor and rhizopus

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Septate hyphae that branch at 45 degree angles. Conidiophore with radiating chains of spores

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Think about aspergillus

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Answer 16

Candida albicans

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Cigar shaped budding yeast that live on vegetation

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Sporothrix schenckii - sporotrichosis

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Answer 18

Pneumocystis jirovecii

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Disk shaped yeast on silver stain

Answer 19

Pneumocystis jirovecii

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Answer 20

Entamoeba histolytica (a) Trophozoite (b) Early cyst with four nuclei and rounded chomatoidal bars (c) Later cyst

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Entamoeba histolytica

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Answer 22

Cryptosporidium parvum

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Answer 23

This flask shaped ulcer is associated with entamoeba histolytica

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Answer 24

Toxoplasma gondii

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Trypanosoma brucei

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Answer 26

Malaria. This thin film Giemsa stained micrograph depicts a mature Plasmodium vivax schizon

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Tzanck smear. Giant multi-nucleated cells. Herpes tests positive

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Answer 28

CMV

There is actually a white rim around the nucleus

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Answer 29

Here is a Reed-sternberg cell (Hodkin’s lymphoma) for comparison

Answer 30

In blue are Plasmodium falciparum malaria parasites in the sexual, gametocyte stage of development.

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Answer 31

Plasmodium falciparum

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Answer 32

Babesia

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Babesia - maltese cross shape

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Trypanosoma cruzi

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Leishmania donovani

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Answer 36

Trichomonas vaginalis

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Answer 37

Fitz Hugh Curtis syndrome

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Answer 38

Hutchinson teeth - note the centrally notched widely spaced central incisors

This is associated with congenital Syphilis

Question 39

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Answer 39

Blueberry muffin baby - could be associated with Rubella or CMV

Question 40

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Answer 40

Saber shins of congenital syphilis

Question 41

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Answer 41

Saddle nose deformity

Can be associated with congenital syphilis

Can also be associated with Wegener’s granulomatosis

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Answer 42

Molluscum contagiosum

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Answer 43

Clue cell from Gardnerella vaginalis

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Thumbprint sign on x ray - thickening of the epiglottis - associatd with H flu

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Nocardia

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Answer 46

Actinomyces israelii

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Diptheria pseudomembrane