Discover and read the best of Twitter Threads about #bacteriology
Most recents (11)
A 26-YO♂️ no #sexual contacts other than with his male partner: 6-day of fever, malaise, a swollen parotid gland, & ulcerative lesion on the ipsilateral lower lip.
Mild lymphopenia
⬆️GGT & CRP
1/6
doi.org/10.1016/S0140-…
#IDtwitter #dermatology #EarNoseThroat
Mild lymphopenia
⬆️GGT & CRP
1/6
doi.org/10.1016/S0140-…
#IDtwitter #dermatology #EarNoseThroat
PCRs on the throat & ulcer swabs:➕for human #monkeypox (hMPX)
Genomic sequencing: clade IIb variant clustering within the current international mpox virus outbreak
PAROTIDITIS CAUSED BY hMPX virus
2/6
#sexually #maxillofacial #microbiology
Genomic sequencing: clade IIb variant clustering within the current international mpox virus outbreak
PAROTIDITIS CAUSED BY hMPX virus
2/6
#sexually #maxillofacial #microbiology
7 days after initial presentation, his clinical condition had improved together with a decrease in the parotid swelling and the size of the ulcer.
3/6
#MedTwitter #Doctor #MedStudentTwitter
3/6
#MedTwitter #Doctor #MedStudentTwitter
A 58-YO♂️, DM, fever & L lower quadrant abdominal pain 2 months prior: acute R-sided back pain, & 3/6 diastolic murmur at R upper sternal border.
CT: a R renal infarction & splenic embolism
MR: multiple infarctions
1/7
doi.org/10.1016/j.idcr…
#Cardiology #medicine #cardiologia
CT: a R renal infarction & splenic embolism
MR: multiple infarctions
1/7
doi.org/10.1016/j.idcr…
#Cardiology #medicine #cardiologia
Transesophageal echocardiography: a vegetation and severe aortic regurgitation.
Blood 🧫: Cardiobacterium hominis
CARDIOBACTERIUM HOMINIS ENDOCARDITIS ASSOCIATED WITH CEREBRAL, RENAL, AND SPLENIC INFARCTIONS
2/7
#IDtwitter #microbiology
Blood 🧫: Cardiobacterium hominis
CARDIOBACTERIUM HOMINIS ENDOCARDITIS ASSOCIATED WITH CEREBRAL, RENAL, AND SPLENIC INFARCTIONS
2/7
#IDtwitter #microbiology
The patient received antibiotic therapy and surgical aortic valve replacement, and he was doing well without major complications.
3/7
#infecciosas #MedTwitter #Doctor
3/7
#infecciosas #MedTwitter #Doctor
A 50-YO ♀️ bitten by her pet rat: fever, myalgia, sore throat, headaches a nonpruritic rash on extremities including palms & soles, arthralgias, knees arthritis.
A punctate wound with central necrosis on L palm, & her R thumb.
1/9
#rheumatology #internalmedicine #dermatology
A punctate wound with central necrosis on L palm, & her R thumb.
1/9
#rheumatology #internalmedicine #dermatology
Leukocytosis with neutrophilia
ESR & PCR:⬆️
Purulent R knee synovial fluid:
✔️46 000 cells/mL (88% neutrophils).
✔️Gram stain: scant pleomorphic gram-negative bacilli in chains with lateral bulbar swellings
2/9
doi.org/10.1093/cid/ci…
#microbiology #rheumatologist
ESR & PCR:⬆️
Purulent R knee synovial fluid:
✔️46 000 cells/mL (88% neutrophils).
✔️Gram stain: scant pleomorphic gram-negative bacilli in chains with lateral bulbar swellings
2/9
doi.org/10.1093/cid/ci…
#microbiology #rheumatologist
Synovial fluid 🧫culture: Streptobacillus moniliformis identified by biochemical testing & confirmed by MALDI-TOF.
RAT BITE FEVER (RBF) WITH SEPTIC ARTHRITIS DUE STREPTOBACILLUS MONILIFORMIS
3/9
#bacteriology #IDtwitter #microbiología
RAT BITE FEVER (RBF) WITH SEPTIC ARTHRITIS DUE STREPTOBACILLUS MONILIFORMIS
3/9
#bacteriology #IDtwitter #microbiología
A 17-YO♀️, unprotected #sexual intercourse with multiple male partners: a 1-month history of pruritic genital lesions, multiple smooth, grayish-white papules & plaques were noted on the vulva & upper inner thighs.
1/5
DOI: 10.1056/NEJMicm2207538
#gynecology #womenshealth
1/5
DOI: 10.1056/NEJMicm2207538
#gynecology #womenshealth
A Treponema pallidum particle agglutination assay:➕
Rapid plasma reagin titer: ➕1:16.
CONDYLOMA LATA OF SECONDARY SYPHILIS
2/5
#microbiology #gynecologist #primarycare
Rapid plasma reagin titer: ➕1:16.
CONDYLOMA LATA OF SECONDARY SYPHILIS
2/5
#microbiology #gynecologist #primarycare
✔️Testing for other sexually transmitted infections, including HIV infection: ➖
✔️Counseling on the importance of condom use
✔️IM penicillin G benzathine
At the 1-month follow-up visit, the lesions had resolved, and the RPR was 1:8.
3/5
#dermtwitter #IDtwitter #MedTwitter
✔️Counseling on the importance of condom use
✔️IM penicillin G benzathine
At the 1-month follow-up visit, the lesions had resolved, and the RPR was 1:8.
3/5
#dermtwitter #IDtwitter #MedTwitter
A 29-YO♂️, 6 months before, HIV + & non–drug-resistant pulmonary tuberculosis, antiretroviral & 4-drug antituberculous therapy initiated but soon reduced to rifampin & isoniazid only: abdominal pain on the L side
CT: ?
1/5
DOI: 10.1056/NEJMicm2206174
#radiologist #GITwitter
CT: ?
1/5
DOI: 10.1056/NEJMicm2206174
#radiologist #GITwitter
CT: an enlarged spleen with numerous hypodense lesions (A).
CD4 cell count: 119/mm3
VIH viral load: 1778 copies/mm3
A splenectomy was performed to evaluate for cancer:
numerous necrotic nodules with purulent discharge (B).
2/5
#microbiology #gastroenterology #IDtwitter
CD4 cell count: 119/mm3
VIH viral load: 1778 copies/mm3
A splenectomy was performed to evaluate for cancer:
numerous necrotic nodules with purulent discharge (B).
2/5
#microbiology #gastroenterology #IDtwitter
🔬granulomatous inflammation with caseous necrosis (C) and acid-fast bacilli (D, arrowheads).
A tissue🧫: ➖
PCR: ➕for Mycobacterium tuberculosis
SPLENIC TUBERCULOSIS
3/5
#bacteriology #MedTwitter #GIPath
A tissue🧫: ➖
PCR: ➕for Mycobacterium tuberculosis
SPLENIC TUBERCULOSIS
3/5
#bacteriology #MedTwitter #GIPath
A 37-YO, farmer in India, #HIV+ immunecompromised ♂️, treatment for suspected pulmonary tuberculosis: papulonodular lesions of 3-month duration over the face, neck, trunk, limbs, palms & soles, & oropharynx; fever & generalized lymphadenopathy
🔬: ?
1/7
#IDTwitter #microbiology
🔬: ?
1/7
#IDTwitter #microbiology
🔬: Blastoconidias within the macrophages.
🧫: Histoplama capsulatum: characteristic colony, conversion to yeast form, characteristic🔬appearance.
PROGRESSIVE DISSEMINATED HISTOPLASMOSIS
2/7
doi: 10.4269/ajtmh.17-0432
#dermpath #mycology #internalmedicine
🧫: Histoplama capsulatum: characteristic colony, conversion to yeast form, characteristic🔬appearance.
PROGRESSIVE DISSEMINATED HISTOPLASMOSIS
2/7
doi: 10.4269/ajtmh.17-0432
#dermpath #mycology #internalmedicine
Diagnosis is usually suspected on visualization of characteristic intracellular yeast (blastoconidias), the pathogenic or tisular form, with a clear rim and garnulomatous cellular infiltrate in tissue specimen or lymph node aspirate
3/7
#MedTwitter #Doctor
3/7
#MedTwitter #Doctor
A 4-YO♂️ treated for tuberculosis for 3 years with chronic cough, kyphosis, recurrent pneumonia, rib osteomyelitis: lung consolidation, mediastinal lymphadenopathy, cervical kyphosis; R-sided paravertebral soft tissue swelling (T3 to T6)
1/7
#IDtwitter #radiology #Orthopedics
1/7
#IDtwitter #radiology #Orthopedics
Serology: ➕for Aspergillus flavus & Aspergillus fumigatus.
Aspiration of the paravertebral soft tissue:
🔬granulomatous inflammation
🧫Acinetobacter spp.
VERTEBRAL OSTEOMYELITIS & ACINETOBACTER SPP PARAVERTEBRAL SOFT TISSUE INFECTION
2/7
#microbiology #MedTwitter
Aspiration of the paravertebral soft tissue:
🔬granulomatous inflammation
🧫Acinetobacter spp.
VERTEBRAL OSTEOMYELITIS & ACINETOBACTER SPP PARAVERTEBRAL SOFT TISSUE INFECTION
2/7
#microbiology #MedTwitter
Nitroblue tetrazolium dye reduction test: no reduction of the nitroblue tetrazolium
No right shift noted in the activated neutrophils in flow cytometry-based DHR assay (E, patient; F, control)
CHRONIC GRANULOMATOUS DISEASE
3/7
DOI: 10.1097/INF.0000000000001221
#medicine
No right shift noted in the activated neutrophils in flow cytometry-based DHR assay (E, patient; F, control)
CHRONIC GRANULOMATOUS DISEASE
3/7
DOI: 10.1097/INF.0000000000001221
#medicine
A 3-month-old ♂️, a dimple at the center of a lumbosacral hemangioma (a): fever & deteriorating condition.
CSF: ⬆️cell count 5717/µL;⬆️protein = 352 mg/dL; ⬇️glucose < 10 mg/dL.
RM (b): ?
1/7
doi.org/10.1016/j.idcr…
#pediatric #IDtwitter #Neurology
CSF: ⬆️cell count 5717/µL;⬆️protein = 352 mg/dL; ⬇️glucose < 10 mg/dL.
RM (b): ?
1/7
doi.org/10.1016/j.idcr…
#pediatric #IDtwitter #Neurology
RM b): a congenital dermal sinus communicating with the spinal cord.
Enterobacter aerogenes was isolated from CSF and stool cultures
CONGENITAL DERMAL SINUS ASSOCIATED WITH MENINGITIS BY ENTEROBACTER AEROGENES
2/7
#radiology #microbiology #pediatria
Enterobacter aerogenes was isolated from CSF and stool cultures
CONGENITAL DERMAL SINUS ASSOCIATED WITH MENINGITIS BY ENTEROBACTER AEROGENES
2/7
#radiology #microbiology #pediatria
Congenital dermal sinus is associated with meningitis caused by atypical pathogens.
Enterobacter aerogenes community-acquired infections associated with congenital dermal sinus are rarely observed.
3/7
#bacteriology #MedTwitter
Enterobacter aerogenes community-acquired infections associated with congenital dermal sinus are rarely observed.
3/7
#bacteriology #MedTwitter
A 35-YO♂️: a 9-month of white concretions encircling the hairs in both axillae (A).
A Wood’s lamp🔎: yellow-green fluorescence of the concretions (B).
Dermoscopy: cottonlike structures on the hair shafts (C).
1/6
DOI: 10.1056/NEJMicm2206453
#dermatology #dermatología
A Wood’s lamp🔎: yellow-green fluorescence of the concretions (B).
Dermoscopy: cottonlike structures on the hair shafts (C).
1/6
DOI: 10.1056/NEJMicm2206453
#dermatology #dermatología
TRICHOMYCOSIS AXILARIS
✔️ a superficial bacterial infection of the hair of the axillae
✔️misnomer, given that it is caused by corynebacterium species as opposed to fungi.
2/6
#dermtwitter #microbiology
✔️ a superficial bacterial infection of the hair of the axillae
✔️misnomer, given that it is caused by corynebacterium species as opposed to fungi.
2/6
#dermtwitter #microbiology
After 1 week of treatment with topical clindamycin and a daily benzoyl peroxide wash, the patient’s symptoms abated and did not recur.
3/6
#MedTwitter #MedStudentTwitter
3/6
#MedTwitter #MedStudentTwitter
A 26-yo👩🦰, #sexually active, with 1 partner: right knee and metacarpal arthralgia, tenosynovitis and pustules on her hand.
CT: an abscess on her chest wall
1/9
doi.org/10.1503/cmaj.2…
#IDtwitter #MedTwitter #emergency
CT: an abscess on her chest wall
1/9
doi.org/10.1503/cmaj.2…
#IDtwitter #MedTwitter #emergency
✔️Urine gonococcal nucleic acid amplification test (NAAT):➕
✔️🧫from the patient’s chest wall fluid:➖but
✔️16S rRNA with gene sequencing confirmed presence of Neisseria gonorrhoeae.
CHEST WALL ABSCEST WITH DISSEMINATED GONOCOCAL INFECTION
2/9
#microbiology #MolBiol
✔️🧫from the patient’s chest wall fluid:➖but
✔️16S rRNA with gene sequencing confirmed presence of Neisseria gonorrhoeae.
CHEST WALL ABSCEST WITH DISSEMINATED GONOCOCAL INFECTION
2/9
#microbiology #MolBiol
Her doctors treated her with incision and drainage and intravenous ceftriaxone 2 g/d. for 17 days after resolution of the abscess
If chlamydia infection has not been ruled out, chlamydia treatment with doxycycline for 7 days should be added.
3/9
#surgery #MedStudentTwitter
If chlamydia infection has not been ruled out, chlamydia treatment with doxycycline for 7 days should be added.
3/9
#surgery #MedStudentTwitter
Artemis
متصفح مصمم للجينوم
(genome)
والذي تم تطويره من قبل العلماء والباحثين في معهد
Wellcome Sanger institute
يتم من خلال هذا المتصفح قراءة وتصور سلسلة DNA 🧬 للبكتيريا.
متصفح مصمم للجينوم
(genome)
والذي تم تطويره من قبل العلماء والباحثين في معهد
Wellcome Sanger institute
يتم من خلال هذا المتصفح قراءة وتصور سلسلة DNA 🧬 للبكتيريا.
سـ أذكر هنا في سلسلة هذه التغريدات عن:
١-مقدمة تعريفية عن الجينومات البكتيرية
(bacterial genome)
٢-أهمية متصفح الجينوم( genome browser )
٣- كيف يساهم هذا المتصفح Artemis في دراسة مسببات الامراض البكترية
#biology #Bioinformatics #gene #Bacteriology
١-مقدمة تعريفية عن الجينومات البكتيرية
(bacterial genome)
٢-أهمية متصفح الجينوم( genome browser )
٣- كيف يساهم هذا المتصفح Artemis في دراسة مسببات الامراض البكترية
#biology #Bioinformatics #gene #Bacteriology
تمتلك الجينومات البكتيرية مجموعة من الأحجام ويمكن أحتوائها على واحد أو أكثر من الكروموسومات ويمكن ان تكون هذه الكروموسومات دائرية أو خطية (circular or linear).وبغض النظر عن شكلها تظهر الجينومات البكتيرية ارتباطاً كبيراً بين حجم الجينوم وعدد الجينات الموجودة في الجينوم.
