Infections of the breast, case 6cpo-media.net/ECP/2019/Congress-Presentations/120/Final version...
Transcript of Infections of the breast, case 6cpo-media.net/ECP/2019/Congress-Presentations/120/Final version...
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Infections of the breast, case 6
31st European Congress of Pathology, Nice, 2019
Slide seminar joint session of the Working group for infectious
diseases and the Breast Working Group
Syster Hofmeyer,
Annette Bauer,
Tibor Tot
Falun, Sweden
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Right MLO Left MLO
Mammography routine screening November 2018
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ECP Slide Seminar: Infections of the breast, case 6
50-year old woman.- Asymptomatic.
Clinical history:- M. Bechterew adequate treatment.
- Bells paresis in 2017.
- Varicella
- Borrelia.
- In 2017 suspicion of TBE (tick borne encephalitis)
was raised but could not be proved.
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Right MLO Left MLO
Mammography routine screening July 2017 Image courtesy of professor László Tabár
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Right CC Left CC
Mammography routine screening July 2017
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Right CC Left CC
Mammography routine screening November 2018
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Breast MRI
MRI showed numerous 2-3 mm masses in both breasts
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ECP Slide Seminar: Infections of the breast, case 6
At this stage suspicion of hematogenous
spread was raised.
Core needle biopsy was performed via
ultrasound.
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Ultrasound guided core-needle biopsy
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ECP Slide Seminar: Infections of the breast, case 6
Three core biopsies examined with H-E.
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The core needle biopsy showed
tightly packed epithelioid granulomas
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ECP Slide Seminar: Infections of the breast, case 6
- High power view showed densly packed
epithelioid granulomas without necrosis.
- Multinucleated giant cells were present.
- No neutrophils could be seen.
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ECP Slide Seminar: Infections of the breast, case 6
Granulomas can be seen in many different
diseases in the breast
- Rheumatic disorders.
- Infectious diseases.
- Granulomatous lobular mastitis.
- Foreign body reaction.
- Associated with carcinoma.
- Cause masses mimicking cancer.
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ECP Slide Seminar: Infections of the breast, case 6
Special stains to exclude fungal infection
and bacterial infection.
- PAS
- GIEMSA
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Ziehl Neelsen control slide
Ziehl Neelsen negative stainingNegative staining:
PAS and Giemsa
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ECP Slide Seminar: Infections of the breast, case 6
Clinical history:
Suspicion for TBE (tick borne encephalitis)
by Rickettsia had been raised but could not
be proved.
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Detection of rickettsia with immunohostochemistry, specific anti-rickettsial rabbit
antiserum
Nilsson K, Lindquist O, Pahlson C (1999) Association of Rickettsia helvetica with chronic perimyocarditis in sudden cardiac
death. Lancet 354:1169–1173
The authors thank prof Kenneth Nilsson for microbiological confirmation of the findings
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Anti Rickettsia immunohistochemistry
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The etiology of the lesions was further confirmed with DNA-extraction and PCR
DNA from de-paraffinized tissue sections, using the
QIAamp DNA Mini Kit (Qiagen GmbH, Hilden, Germany), and DNA
was eluted into a final volume of 50 μl, according to the manufacturer’s instructions.
The real-time PCR assay was performed in a Rotor-Gene 3000
(Corbett Research, Sydney, Australia) using LC Taqman Master kit
(Roche, France) using a for spotted-fever-Rickettsia genus-specific realtime PCR
with probe and primers targeting the gltA-gene, as previously described.
Rickettsia DNA was identified in 4 of 7 tissue sections with
cycle threshold (Ct) values ranging between 35-39.
Sequencing was attempted but failed on all four samples
Reference:
Stenos J, Graves SR, Unsworth NB. A highly sensitive and specific real-time PCR
assay for the detection of spotted fever and typhus group rickettsiae.
Am J Trop Med Hyg. 2005;73:1083–1085
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ECP Slide Seminar: Infections of the breast, case 6
- All known Rickettsia are zoonotic being
transmitted to humans via an animal
vector.
Arthropods:
- Ticks, lice, fleas and mites.
- Belong to Rickettsia family and are
obligate intracellular.
- gramnegative bacteria.
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ECP Slide Seminar: Infections of the breast, case 6
History
- Rickettsia first described by Howard
Ricketts.
- 3 larger groups:
- Tick borne Rickettsia with more than 20
types.
- Epidemic spotted fever group with 2
species (R. typhi, R prowazeckii.)
- Ancestor group R. Canadensis and R.
bellii.
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ECP Slide Seminar: Infections of the breast, case 6
Tick borne diseases are increasing.
Newest summary of Center of Disease
Control indicates that tickborne infections
have doubled in US between 2004 and 2016
from 22527 to 48610.
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Bridget Kuehn, MSJ
JAMA. 2019;321(2):138. doi:10.1001/jama.2018.20464
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ECP Slide Seminar: Infections of the breast, case 6
Patient underwent a full course of antibiotic
medicine with Tetracycline.
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Follow-up mammography in February 2019: effect of tetracycline therapy
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Follow-up in July 2019: No abnormality in the breasts and axilla
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16 months earlier November 2018 Control 3 months later
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ECP Slide Seminar: Infections of the breast, case 6
Corebiopsi after treatment was performed
New core biopsy showed only normal
breastissue.
New PCR for sequencing and subtyping for
the agent.
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Literature data
• A single case report of tsutsugamushi disease in south western Shikoku. A 64-year-
old male with fever and headache and an eschar on the right anterior side of the
breast and an enlargement of the right axillary lymph node. The causative agent
was Rickettsia tsutugamushi. (Article in Japanese, Yamauchi H et al.
Kansenshogaku Zasshi. 1995 Jul;69(7):840-3)
• Occasional positivity of the specific serum-agglutination for the Rickettsia Q18 (2
cases out of 11) was mentioned in connection to Mondor´s disease (Article in French,
Bartolo M et al. J Mal Vasc. 1983;8(3):253-6.)
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Core biopsi after treatment was performed
New core biopsies showed only normal
breast tissue.
• New PCR for sequencing and subtyping of
the agent.
• New core biopsies showed only normal
breast tissue.
• New PCR for sequencing and subtyping of
the agent.
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ECP Slide Seminar: Infections of the breast, case 6
- Numerous 2-3 mm lesions spread
throughout both breasts.
- Predominantely located in subcutaneous
tissue.
- Slightly enlarged lymphnodes more likely
to present reactive changes.
- ”De novo finding” since previous
mammography screening.
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Corebiopsi after treatment was
performed• New core biopsies showed only normal
breast tissue.
• New PCR for sequencing and subtyping of
the agent.