Question of the Week # 443

Posted on May 28, 2013 by Archer USMLE Reviews

443 ) A 38 year old man is evaluated in your office for a chronic rash on his elbows. He reports this has been worsening over the last 6 months and is intensely itchy. He lost about 8lbs weight in the past 6 months. Review of systems is normal except for 4 to 5 episodes of loose stools every day. Laboratory investigations reveal moderate microcytic anemia. On examination, he is afebrile. There is a vesicular rash on the extensor aspects of his bilateral elbows as shown below:

elbows

Which of the following is most helpful in diagnosing this condition?

A) Fecal occult blood testing and Sigmoidoscopy

B) Anti-nuclear antibodies

C) Anti-Endomysial antibodies

D) Small bowel follow through

E) Anti-Sacharomyces Cerviseae antibodies ( ASCA)

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Question of the Week # 442

Posted on May 23, 2013 by Archer USMLE Reviews

442 ) A 14 month old toddler is brought to your out-patient clinic by her concerned mother regarding a rash that appeared recently in her ano-genital region. The rash has appeared 3 weeks ago and is persistent. Mother says she tried to use local Zinc Oxide  cream but it did not help. There is no history of fever. No vaginal discharge. She is otherwise healthy and reaching all her milestones appropriately. On examination, she is afebrile. There are several papules seen in the ano-genital area as shown below.

IMAGE 3 KIDS

Which of the following is the most appropriate next step?

A) Screen for Child Sexual Abuse

B) Local steroid application

C) Reassure that the rash will resolve in few months

D) Refrain the child from Day-care to prevent transmission

E) Local antibiotic application

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Question of the Week # 441

Posted on May 22, 2013 by Archer USMLE Reviews

441) A 3 week old male infant is evaluated for a rash in your clinic . Mother appears concerned and she reports rash has appeared all of a sudden over his cheeks, in the genital areas and on certain areas of trunk. The baby is entirely on formula feeds. No history of fever. The mother is healthy and none of the family members are sick at home. The baby was born by an uncomplicated vaginal delivery. On examination, he is afebrile.  There are numerous white papules on his face around the nose, cheeks and in the genital areas. A picture of the rash is shown below:

IMAGE 2 KIDS

Which of the following is the most likely diagnosis?

A) Miliaria

B) Molluscum Contagiosum

C) Erythema Toxicum

D) Milia

E) Staphylococcal Pyoderma

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Question of the Week # 424

Posted on May 7, 2012 by Archer USMLE Reviews

424) A 3 day old male infant is evaluated for a rash that developed previous night and has been progressing. The rash first started on his face as flat red patches but now it has become bumpy and some of them have pus in it. The baby is breast feeding and there is no history of fever. The mother is healthy and none of the family members are sick at home. The baby was born by an uncomplicated vaginal delivery. On examination, he is afebrile. There are numerous small flat red patches along with yellowish-white papules and numerous pustules all over his trunk and extremities. The lesions on his face seem to be resolving. Palms and soles are not involved. A Wright-stained smear of pustular fluid shows numerous eosinophils and occasional neutrophils. A picture of the rash is shown below:

 

Which of the following is the most likely diagnosis?

A) Miliaria

B) Eosinophilic Pustular Folliculitis

C) Erythema Toxicum

D) Milia

E) Staphylococcal Pyoderma

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Question of the Week # 423

Posted on May 7, 2012 by Archer USMLE Reviews

423) A 14 month old male baby is brought to your office by his concerned mother for recurrent diarrhea over the past 2 months. He also developed a scaly rash around his mouth, on the cheeks and on buttocks. He has been exclusively breast-fed for about 8 months and has been started on gradual weaning process over the last four months. He is otherwise, a healthy child. There is no family history of eczema. On examination, he is afebrile and vitals are stable. Physical examination shows lesions around the ano-genital area as shown below :

Similar lesions are seen over his cheeks and around the mouth. Which of the following is indicated in this patient at this time?

A) Exclusive Breastfeeding

B) Serum Lead level

C) Serum Zinc level

D) Glucoagon level

E) Sweat Chloride Level

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Question of the Week # 321

Posted on February 7, 2012 by Archer USMLE Reviews

321)  A 45 – year-old obese woman presents to your office complaining of a skin lesion on her left shin. This lesion started spontaneously 3 weeks ago and appeared like a small bruise. Over the past two weeks, the lesion has enlarged and the overlying skin has become hardened and raised with reddish border. There is no pain or itching. She denies any recent trauma. She lives in  Texas but one month ago, she traveled to New England region to visit a friend. She is sexually active with one partner and occasionally, uses condoms.. Her past medical history is unremarkable. On physical examination, there is an oval shaped  lesion on her left shin. The border is indurated and red in color with yellowish, atrophic appearance in the center. An image of the lesion is shown below:

Which of the following investigations should be ordered next?

A) Lyme serology

B)  Hemoglobin A1C

C)  Anti-Myeloperoxidase ( P-ANCA)

D)  Colonoscopy

E)  Herpes Simplex Virus (HSV) Serology

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Question of the Week # 319

Posted on February 7, 2012 by Archer USMLE Reviews

319)  A 64-year-old man with history of diabetes mellitus and end-stage renal disease is admitted for complaints of weakness and contractures in his extremities associated with tight and thickened skin. He denies any past history of finger or toe discoloration on exposure to cold. He is dialysis dependent and undergoes hemodialysis three times in a week. His most recent dialysis was a day ago. His symptoms started 3 days prior to presentation and have progressively worsened. Three weeks prior to admission , the patient had a transient ischemic attack. An MRI with Gadolinium performed at that time did not reveal any abnormalities. He denies any neurological symptoms at this time. The patient’s medications upon admission include Aspirin, Insulin Glargine and Lisinopril. On physical examination, the patient appears chronically ill. He is afebrile,  blood pressure 120/70 mmHg and pulse rate was 82/minute. Skin examination reveals diffuse nonerythematous thickening and tightening of the skin over the abdomen, arms and legs. Chest and the face are spared. There are contractures in upper and lower extremities extremely limiting the range of motion of the involved joints. Erythrocyte sedimentation rate and C-reactive protein are elevated. Calcium is 8.0mg% and phosphorous 4mg% with calcium – phosphorous product of  32. An image of his upper extremity is shown below

Which of the following is the most likely diagnosis?

A) Systemic sclerosis

B) Calciphylaxis

C) Nephrogenic Systemic Fibrosis

D) Cryoglobulinemia

E) Eosinophilc Fascitis

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Question of the week # 296

Posted on December 30, 2011 by Archer USMLE Reviews

296) A 6 month old Asian infant  is brought by his concerned aunt for evaluation of dark blue areas on the child’s buttocks. She says she was called to baby-sit the infant since his mother found a new job 2 days ago. She noted the rash and became suspicious that the child may have been abused. The mother arrives in Emergency room an hour later and reports that the rash has been present since birth. The mother is divorced and lives alone with the child. On examination, there are bluish-green patches on bilateral buttocks and on the lower back. They are irregular in shape and  margins are indistinct. There is no swelling or tenderness. An image of the skin findings is shown below:

Which of the following is the most appropriate next step ?

A) Order Skeletal Survey

B) Reassure that rash may fade away in few years

C) Contact Child Protection services

D) Obtain Coagulation parameters

E) Obtain Platelet count

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Question of the week # 295

Posted on December 30, 2011 by Archer USMLE Reviews

295) A 10 year old boy is brought to your office for evaluation of rash in bilateral axillae and groin for the past 2 months. He denies any itching or any other skin rashes.  However, he reports that the area has become progressively rough to touch. He is otherwise, healthy. On examination, there are  reddish brown patches in bilateral axillae and groin. There is maceration and scaling in the web spaces between the toes of bilateral feet. Rest of the examination is normal. A KOH mount is obtained and is negative. Wood’s lamp examination reveals coral red fluorescence. A picture of  the rash is shown below:

Which of the following is the most appropriate next step ?

A) Topical corticosteroid

B) Topical Selenium Sulfide

C) Oral erythromycin

D) Topical Clotrimazole

E) Oral Metronidazole

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Question of the Week # 249

Posted on August 9, 2011 by Archer USMLE Reviews

249 )  A 64 year old  man is evaluated in your office for a left sided headache that started 24 hours ago. He describes the headache as a burning sensation over his left temple and the forehead. He also reports fatigue and malaise for the past one day. He has no significant past medical history.   On examination, he has a low grade fever at 100.4F, Blood pressure is 120/70 mm Hg. Physical examination reveals hyperesthesia on his left forehead and skin findings as shown in the picture below:

Which of the following is the most appropriate immediate next step in management ?

A) Mupirocin cream

B) Start Oral Cephalexin

C) Refer to Ophthalmology

D) Refer to Dermatology

E) Topical Acyclovir

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Question of the Week # 205

Posted on June 26, 2011 by Archer USMLE Reviews

205) A 27 year old woman, primigravida at 35 week gestation is evaluated in your office for extreme itching associated with rash. The rash and itching first started on her abdomen but now spread to her buttocks and legs as well. She denies similar complaints in any of her family members. On physical examination, an eruption consisting of small erythematous wheals is noted mostly in the abdominal striae with sparing of the peri-umbilical skin. Some rash is also noted on her lower extremities.  There is no involvement of palms and soles. A picture of her abdomen is shown below:

Most likely diagnosis:

A)           Scabies

B)            Pemphigoid Gestationis

C)            Intahepatic Cholestasis of Pregnancy (ICP)

D)            Pruritic Urticarial Papules of Pregnancy (PUPP)

E)            Pruritic folliculitis of Pregnancy

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Question of the Week # 192

Posted on June 24, 2011 by Archer USMLE Reviews

192) A 26-year-old man is evaluated for a history of recurrent headaches and palpitations for the past one month. At this time, he has no headache or palpitations. He denies any chest pain, dizziness or shortness of breath. His past history is unremarkable except for fleshy nodules over his trunk that have been present since adolescence and have been increasing in number. On physical examination, heart rate is 102/min; blood pressure is 168/100 (Lying) and 138/90 ( Standing). Skin examination reveals freckling in the inguinal region and several fleshy tumors on his back as shown in the picture:

An Electrocardiogram reveals Sinus Tachycardia. The most appropriate next step in management of this patient?

a. Biopsy of the tumors
b. Plasma Metanephrines
c. CT Scan of the abdomen
d. Intravenous fluids
e. 24-Hour holter monitoring

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Question of the Week # 182

Posted on June 14, 2011 by Archer USMLE Reviews

Q182) A 65 year old woman  presents  with a white plaque on her vulva. She has no other hypo-pigmented lesions on her body.  She reports history of repeated itching in the area for past several years. She has seen by her gynecologist in the past. Repeated evaluation did not reveal any infection or candidiasis. She says the lesion has not changed in appearance but the itching bothers her. She denies any vaginal bleeding.  Physical examination reveals a raised white colored plaque on the vulva. There are excoriations adjacent to and overlying the lesion. Most likely diagnosis:

A) Lichen Sclerosus

B) Lichen Simplex Chronicus

C) Lichen planus

D) Vulvar Cancer

E) Vitiligo

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Question of the Week # 180

Posted on June 14, 2011 by Archer USMLE Reviews

Q180) A 35 year old woman presents with a 3-week history of nodular lesions on her lower legs. She states that he had similar lesions that appeared few years ago and spontaneously resolved . She denies any recent infection except for an upper respiratory infection for which he was treated with antibiotics 2 weeks ago. She is currently not on any medications. He denies any weightloss or diarrhea or constipation. She has no cough or night sweats. Physical examination revealed erythematous nodular swellings on the anterior lower legs. The lesions are tender to palpation.

-

 

 

 

The most common etiology of these lesions world-wide:

A) Tuberculosis

B) Inflammatory bowel disease

C) Sarcoidosis

D) Diabetes Mellitus

E) Streptococcal infection

F) Herpes Simplex Virus

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Question of the Week # 179

Posted on June 14, 2011 by Archer USMLE Reviews

Q179) A 48  Year old woman is evaluated in your office for a skin eruption that appeared three days ago. Her past medical history is significant for Rheumatoid arthritis for which she uses Methotrexate. She recently had increasing joint pain and she was placed on ibuprofen which takes about three times daily. Her joint pain is well controlled now.  She is now concerned about the skin eruption that is predominantly distributed on her arms, hands and feet. The eruption is painless.  On examination, there is no joint swelling or tenderness, range of motion in the joints is normal. Skin examination reveals the lesions as shown in the image below.

The most appropriate management option for this patient:

A)     Observation

B)      Stop Ibuprofen

C)      Start Acyclovir

D)      Intra-lesional corticosteroids

E)      Anti-citrullinated pep-tide levels

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Question of the Week # 178

Posted on June 14, 2011 by Archer USMLE Reviews

Q177) A 55-year-old white woman is seen in your office for a 6-month  history of slowly enlarging lesions on both lower extremities. She is otherwise healthy. The lesions are painless. She denies any trauma to these areas. Her past medical history is significant for diabetes mellitus diagnosed 2 years ago and rheumatoid arthritis. Her medications include Metformin, Enalapril and Methotrexate. On skin examination, she has  2 cm yellow, smooth, firm centrally depressed plaques involving the thighs and knees. Image is shown below

 

 

 

 

 

 

 

 

The most likely underlying etiology :

A) Drug-induced

B) Rheumatoid arthritis

C) Diabetes Mellitus

D) Malignancy

E) Sarcoidosis

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Question of the Week # 177

Posted on June 14, 2011 by Archer USMLE Reviews

Q177) A 52 Year old obese man is evaluated in your office during a routine annual visit.  He denies any fatigue or recent weight changes. He has normal appetite and physically active. He had a colonoscopy 1 year ago that was normal. On physical examination, he is obese with a BMI of  34. Skin examination reveals the findings shown in the image below :

 

 

 

 

 

 

 

 

 

Which of the following is most likely to be seen in this patient?

A) Diabetes Mellitus, Type I

B) Gastric cancer

C) Increased Insulin levels

D) Hyperthyroidism

E) Addison’s disease

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