How can scabies be prevented?
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Prevention of scabies includes:
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How can scabies be prevented?
Prevention of scabies includes:
What is the most likely diagnosis for a 65-year-old patient with generalized pruritus and fixed papular lesions on the external genitalia, arms, and trunk?
Scabies
Which of the following is true of erysipelas?
A. Is a non-necrotizing dermo-hypodermatitis
In a patient consulting for condylomata, what tests would you order?
A. HIV serology D. Syphilitic serology
A 6-year-old girl is brought to the clinic with cervical adenopathy. What is the most probable diagnosis?
Pediculosis of the scalp
Which of the following statements about impetigo is true?
Is often periorificial in location
Which of the following is not in favor of a diagnosis of infantile scabies?
Respect of the back
What causes scabies?
Sarcoptes scabiei
How is scabies diagnosed?
Clinically
What should be investigated in cases of scabies?
Family pruritus
What is required for all contact persons in cases of scabies?
Treatment
Which of the following is the most common symptom of scabies?
Itchy rash, especially at night
Secondary syphilis is characterized by which of the following?
Syphilitic roseola and syphilids
What is the primary cause of scabies?
Mites
What is the most probable diagnosis for a 6-year-old girl with cervical adenopathy and a history of pruritus of the scalp?
Pediculosis of the scalp
Which of the following statements about impetigo is true?
Is often periorificial in location
Select the correct answers regarding pauci-bacillary forms of cutaneous tuberculosis:
Occur in subjects with preserved immunity
A 15-year-old patient from Ouarzazate came to the clinic with vegetative lesions of the lower limbs that had been evolving for 1 month and treated with standard antibiotic therapy without improvement. The most likely diagnosis is:
Cutaneous leishmaniasis
A 23-year-old female patient presents with acute facial edema in a febrile setting. Questioning reveals the notion of manipulation of a facial furuncle. What is the most likely diagnosis?
Staphylococcal disease of the face
BK can be inoculated into the skin by:
A. Contiguity from an underlying focus C. Hematogenous route from a visceral focus D. Auto inoculation
Which of the following signs characterizes a severe erysipelas?
C. Subcutaneous crepitations
What is the phase of syphilis corresponding to erythematous macules on the trunk and limbs, papular lesions on the palms and soles, and whitish mucous patches on the tongue?
A. Secondary syphilis
What is the most likely diagnosis for achromic lesions of the back and trunk that recur every summer in an 18-year-old patient?
A. Achromic pityriasis versicolor
The diagnostic criteria for scabies are:
B. Family pruritus D. Nocturnal pruritus
Select the correct answers regarding pauci-bacillary forms of cutaneous tuberculosis:
Occur in subjects with preserved immunity
Which test confirms the diagnosis of allergic contact dermatitis?
Patch test (patch test)
What is the immunological mechanism involved in allergic contact dermatitis?
Delayed hypersensitivity type IV
What are the factors involved in the pathophysiology of acne?
Propionebacterium acnes, Infundibular keratinization, Sebaceous hypersecretion
A 15-year-old patient from Ouarzazate came to the clinic with vegetative lesions of the lower limbs. What is the most likely diagnosis?
Cutaneous leishmaniasis
An 8-year-old boy presented with erythematous, pruritic plaques on the elbow and knee creases. What is the most likely diagnosis?
Atopic dermatitis
A 23-year-old female patient presents with acute facial edema in a febrile setting. What is the most likely diagnosis?
Staphylococcal disease of the face
BK can be inoculated into the skin by:
Contiguity from an underlying focus, Hematogenous route from a visceral focus, Auto inoculation
Which of the following signs characterizes a severe erysipelas?
Subcutaneous crepitations
A 28-year-old man presents with erythematous macules on the trunk and limbs. What is the phase of syphilis corresponding to this picture?
Secondary syphilis
An 18-year-old patient presents with achromic lesions of the back and trunk that recur every summer. What is the most likely diagnosis?
Achromic pityriasis versicolor
The diagnostic criteria for scabies are:
B. Family pruritus D. Nocturnal pruritus
Which of the following is true of erysipelas?
A. Is a non-necrotizing dermo-hypodermatitis
In a patient consulting for condylomata, what tests would you order?
A. HIV serology D. Syphilitic serology
Which of the following is the most common symptom of scabies?
C. Itchy rash, especially at night
Contact dermatitis:
C. Lesions of red itchy skin occurs on the area of contact with the allergen D. Patch testing is the gold standard to diagnose contact dermatitis
Secondary syphilis:
C. Palmoplantar lesions are frequent D. Is characterized by syphilitic roseola and syphilids
What is the primary cause of scabies?
A. Mites
Juvenile acne is:
C. Hyperseborrhea is usually present D. The most frequent at puberty
Comedones (blackheads and whiteheads) are:
A. The main skin lesions in retentional acne C. Can be the early manifestation of acne
Risk factors and aggravating factors of acne are:
B. Fluctuations in the levels of androgens C. Stress D. High glycemic load diet.
Signs of severity of urticaria are:
Dysphagia, Dyspnea
Atopic dermatitis physiopathology is:
Based on a complex interaction of many factors, Triggered by environmental factors.
Acute urticaria
Vital prognosis -> angioedema, <6w of evolution
Syphilis
Non-immunizing, Infectious STD
Initial primary skin lesions in acne
Whiteheads, Blackheads
CT
Infectious and contagious disease, Public health problem
Acne pathophysiology
Hyperkeratinization of pilesebaceous, Hyperseborrhea
Urticaria
Edema -> superficial, Edema in subcutaneous + submucosa in angioedema
Atopic dermatitis
Chronic inflamed skin disease, Most common form of eczema, 1st sign of atopy
Eczema
Dry + itchy + inflamed, Any age
Infectious + bacterial + superficial is:
B folliculitis, D impetigo
What is the most probable diagnosis for an 8-year-old child with a lesion that appeared 4 days ago without fever?
Impetigo
Which action should be avoided for a lesion diagnosed as impetigo?
Manipulation with an object
What can a furuncle lead to?
Facial staphylococcal complications
What is a characteristic of a furuncle?
It is characterized by discharge of a central core
What is required for the treatment of a furuncle?
Surgical drainage
Where does impetigo primarily localize?
Around orifices
What can impetigo lead to?
Acute post-streptococcal glomerulonephritis
Can impetigo be accompanied by fever and lymphadenopathy?
Yes
What are the two clinical manifestations of endogenous cutaneous tuberculosis by contiguity?
Scrofuloderma
What is the most likely diagnosis for a 28-year-old patient with fever, weight loss, and fistulized jugulocarotid lesions to the skin?
Scrofuloderma
What is the most likely diagnosis for a 14-year-old patient with a nodular lesion in the presternal area for 4 months with necrosis and fistulization to the skin?
Tuberculous gumma
What causes cutaneous tuberculosis?
An infection caused by Mycobacterium tuberculosis
What characterizes cutaneous tuberculosis?
Significant anatomo-clinical polymorphism
What is a true public health problem related to skin infections?
Cutaneous tuberculosis
What is the basis for the diagnosis of cutaneous tuberculosis?
Direct examination and culture
What methods are used for diagnosing paucibacillary forms of cutaneous tuberculosis?
Gene amplification methods (PCR)
Which forms of cutaneous tuberculosis are multibacillary forms?
Scrofuloderma, Periorificial tuberculosis, Tuberculous gumma
What is the diagnosis for a 24-year-old man with a painful ulceration of the balanopreputial sulcus five days after unprotected sexual intercourse, with a base that is not indurated?
Chancroid
What is the most probable diagnosis for a patient with a very painful inguinal swelling with fistulization to the skin?
Bubo
Which semiological characteristic does NOT suggest syphilitic chancre in a 24-year-old man presenting with a genital ulcer?
Bubo
Which complementary test confirms the diagnosis of syphilis?
Syphilitic serology (TPHA-VDRL)
What is the most probable diagnosis for a 30-year-old woman with a diffuse maculopapular rash with palmoplantar involvement?
Secondary syphilis
What is the most probable diagnosis for a 1-month-old infant presenting with a cold and palmoplantar blisters?
Early congenital syphilis
Which complementary test confirms the diagnosis of syphilis?
TPHA or VDRL
What medication is prescribed after confirming the diagnosis of syphilis?
Extencillin
What is the diagnosis for an 18-year-old man presenting 1 week after unprotected sexual intercourse with a painful ulcer with a dirty base on the glans?
Soft chancre
What characterizes tertiary syphilis?
Frequent neurological involvement and possible cardiac involvement
What are the two most common clinical forms of neurological syphilis?
General paralysis and Tabes dorsalis
Among the following clinical signs, which one characterizes early congenital syphilis?
Palmoplantar blisters
What is the most likely diagnosis for a 48-year-old patient with a history of genital chancre, sharp pain in the lower limbs, a plantar perforating ulcer, deep sensory disturbances, and a positive Romberg sign?
Tabes dorsalis
Which complementary test confirms the diagnosis of tabes dorsalis?
Syphilitic serology in cerebrospinal fluid (CSF)
What is the diagnosis for an 18-year-old man presenting 3 weeks after unprotected sexual intercourse with a painless ulcer with a clean base and infiltrated base on the glans?
Syphilitic chancre
What is the most probable diagnosis for a newborn presenting with diffuse bullous eruption with palmoplantar involvement?
Early congenital syphilis
What are the two most common clinical forms of neurosyphilis?
Tabes dorsalis and General paralysis
What characterizes the syphilitic chancre?
Has an indurated base and can localize in the oral cavity
What is the first eruption in secondary syphilis?
Syphilitic roseola
In a 25-year-old male, what signs may indicate secondary syphilis?
Clear patch alopecia, punched-out mucosal plaques, and palmoplantar involvement
What is the most probable diagnosis for a 7-year-old child with isolated scalp pruritus and whitish flakes adherent to the hair roots?
Scalp pediculosis
What is the causative agent in this case?
Pediculus capitis
What are the key points to investigate during the interview for a case of severe itching of the scalp?
A. Similar cases in the family B. Similar cases at school
What is the diagnosis for a 9-year-old girl with severe itching of the scalp and similar cases at school?
Scalp pediculosis
What is the most likely diagnosis for a 7-year-old child with isolated scalp itching and whitish scales adhering to the hair roots?
Scalp pediculosis
What is the responsible agent in the case of scalp pediculosis?
Pediculus capitis
Which of the following is not in favor of a diagnosis of infantile scabies?
Respect of the back
What are the characteristics of scabies in infants?
A. Facial involvement B. Palmoplantar involvement D. Presence of pruritus E. Involvement of flexural folds
What is the most likely diagnosis for a 6-month-old infant with highly pruritic pustular palmoplantar lesions and acropustulosis?
Scabies
What are the elements in favor of a diagnosis of scabies in an adult?
A. Family pruritus C. Nocturnal pruritus D. Interdigital involvement E. External genital involvement
What is scabies?
Scabies is a contagious skin condition caused by the infestation of the skin by the Sarcoptes scabiei mite, leading to intense itching and a rash.
What are the common symptoms of scabies?
Common symptoms include:
How is scabies diagnosed?
Scabies is diagnosed through a physical examination of the skin and by identifying the characteristic burrows or lesions. A skin scraping may be taken to confirm the presence of mites or their eggs.
What is the primary treatment for scabies?
The primary treatment for scabies involves the use of scabicides, which are topical medications that kill the mites. Commonly used scabicides include permethrin cream and ivermectin.
What characterizes scabies in infants?
Facial involvement, Palmoplantar involvement, Presence of pruritus, Involvement of flexural folds
Which of the following is not correct in infantile scabies?
Respect of the back
What should be investigated in favor of the diagnosis of leishmaniasis in a patient with an ulcerative-crusty facial lesion?
Absence of pruritus, Resistance to standard antibiotic treatment, A stay in southern Morocco
What should be done first to confirm the diagnosis of leishmaniasis?
Direct parasitological examination of the lesion's serosities for Leishmania
What is the most probable diagnosis for a 31-year-old patient with ulcerative-nodular lesions on the lower limbs after a stay in Zagora?
Leishmaniasis
The causative agent in this case is:
Leishmania major
What are the two most common types of Leishmania in Morocco?
Leishmania tropica, Leishmania major
Which of the following is NOT consistent with the diagnosis of cutaneous leishmaniasis?
Presence of pruritus
What is the standard treatment for cutaneous leishmaniasis?
Pentavalent antimony derivatives, such as meglumine antimonate (Glucantime)
A 19-year-old patient from Casablanca, originally from Taza, consults for a papulocrustous lesion on the face that has been evolving for 3 months. The history should look for elements in favor of Cutaneous Leishmaniasis, which are:
Notion of a summer stay in Taza, Resistance to simple antibiotic treatment, Absence of pruritus
A 10-year-old boy is seen in consultation in November for multiple ulcerocrustous lesions on the left lower limb that appeared in September after a stay in Zagora. All of the following are in favor of the diagnosis of Cutaneous Leishmaniasis except for one. Which one?
Notion of pruritic lesions
An 18-year-old patient comes in for consultation for an ulcerocrustous lesion on the face that has been evolving for 3 months. In favor of the diagnosis of Leishmaniasis, we will look for:
The absence of pruritus, Resistance to simple antibiotic treatment, Notion of stay in southern Morocco
To confirm your diagnosis, you would first perform:
Direct parasitological examination of the lesion's serosities for Leishmania
The classic treatment for Cutaneous Leishmaniasis involves:
Pentavalent
A 14-year-old patient consults after a summer stay in Azilal for an infected ulcerative-crusty lesion on the cheek, resistant to standard antibiotic treatment. The suspected causative agent is:
Leishmania tropica.
A 14-year-old patient returns after a summer stay in Azilal with an infected ulcerocrustous lesion on the cheek that is resistant to simple antibiotic treatment. You raise the diagnosis of Cutaneous Leishmaniasis. The responsible agent is:
Leishmania tropica
In this area, Leishmaniasis:
B. Is zoonotic in transmission D. Its reservoir is Meriones shawi
The responsible agent would be:
A. Leishmania tropica
Which etiology should you investigate first for these lesions?
B. Tuberculosis
What are the two clinical manifestations of endogenous cutaneous tuberculosis by contiguity?
What is the most common clinical form of cutaneous tuberculosis in Morocco?
Tuberculous lupus
Which of the following is the most common symptom of scabies?
C. Itchy rash, especially at night
Contact dermatitis:
C. Lesions of red itchy skin occurs on the area of contact with the allergen
D. Patch testing is the gold standard to diagnose contact dermatitis
Secondary syphilis:
C. Palmoplantar lesions are frequent
D. Is characterized by syphilitic roseola and syphilids
What is the primary cause of scabies?
A. Mites
Juvenile acne is:
C. Hyperseborrhea is usually present D. The most frequent at puberty
Comedones (blackheads and whiteheads) are:
A. The main skin lesions in retentional acne C. Can be the early manifestation of acne
Risk factors and aggravating factors of acne are:
B. Fluctuations in the levels of androgens C. Stress D. High glycemic load diet
Signs of severity of urticaria are:
B. Dysphagia
D. Dyspnea
Atopic dermatitis physiopathology is:
C. Based on a complex interaction of many factors
D. Triggered by environmental factors
