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901
sep-13-2007
What is the diagnosis?
no
45%
15%
10%
7%
23%
150690
0.079
e24b70107f778ad6caae2bf55a40de08
[ "A: Herpetic glossitis", "B: Aphthous ulceration", "C: Pemphigoid", "D: Scurvy", "E: Oral candidiasis" ]
A: Herpetic glossitis
902
sep-13-2012
This patient presented with hearing loss and left ear fullness. What is the diagnosis?
yes
13%
62%
7%
11%
7%
82380
0.037
1637c5d96297e6fae1f3ffc0daa6b3c4
[ "A: Cholesteatoma", "B: Fracture of the temporal bone", "C: Ochronosis", "D: Otomycosis", "E: Relapsing polychondritis" ]
B: Fracture of the temporal bone
903
sep-13-2018
A 42-year-old woman presented with a 1-week history of swelling and pain in the fifth finger of her left hand. She reported no related trauma. She had systemic lupus erythematosus, treated with mycophenolate mofetil and prednisone. Physical examination of the affected finger revealed soft-tissue swelling, with erythema...
yes
13%
14%
20%
47%
6%
107717
0.072
7cc800dc888dbb5356d2daa2510f5f8a
[ "A: Acute gout", "B: Flare of systemic lupus erythematosus", "C: Septic arthritis", "D: Extrapulmonary manifestation of tuberculosis", "E: Osteoarthritis" ]
D: Extrapulmonary manifestation of tuberculosis
904
sep-14-2006
What is the diagnosis?
no
10%
5%
21%
19%
44%
74633
0.081
af5d54a2eeb09f3f055cd0ea17e2a8f8
[ "A: Cytomegalovirus retinitis", "B: Roth spots", "C: Central retinal vein occlusion", "D: Hypertensive retinopathy", "E: Papilledema" ]
E: Papilledema
905
sep-14-2017
A 17-year-old boy from rural Mexico presented to the hospital with a 3-week history of decreased visual acuity and pain in the right eye. What is the diagnosis?
yes
73%
12%
8%
5%
2%
53860
0.019
1bcf2aefcea154f42183903ff38f5494
[ "A: Intraocular parasite infection", "B: Bacterial uveitis", "C: Viral keratitis", "D: Angle closure glaucoma", "E: Optic neuritis" ]
A: Intraocular parasite infection
906
sep-14-2023
A 51-year-old man from the Democratic Republic of Congo presented to the emergency department with a 1-week history of small-volume hemoptysis. Sixteen months before presentation, computed tomography (CT) of the chest had shown a right upper lung cavitation that was a sequela of treated pulmonary tuberculosis (top). At...
yes
8%
14%
6%
11%
61%
25089
0.039
f6059a228d66166d0a1eb82229fcd802
[ "A: Azithromycin", "B: Rifampin", "C: Rituximab", "D: Trimethoprim-sulfamethoxazole", "E: Voriconazole" ]
E: Voriconazole
907
sep-15-2011
This patient had a history of chronic hepatitis C virus (HCV) infection and facial hypertrichosis. What is the diagnosis?
yes
4%
6%
22%
57%
10%
86749
0.05
fcf7abf5d72d2fcc4e93b6e1058aecf4
[ "A: Acute leukemia", "B: Arsenic keratosis", "C: Dermatomyositis", "D: Porphyria cutanea tarda", "E: Secondary syphilis" ]
D: Porphyria cutanea tarda
908
sep-15-2016
An Eritrean man presented with 3 years of intermittent fevers; workup revealed anemia, elevated aminotransferase levels, and this finding on the blood smear. What organism caused these symptoms?
yes
10%
6%
9%
15%
60%
85594
0.041
8bdafd7762cea63ea262a9b9d9572c54
[ "A: Wuchereria bancrofti", "B: Onchocerca volvulus", "C: Borrelia recurrentis", "D: Trypanosoma brucei", "E: Plasmodium vivax" ]
E: Plasmodium vivax
909
sep-15-2022
A 58-year-old man with coronary artery disease presented to the emergency department with a 1-day history of intermittent chest pain at rest. An ECG was obtained on arrival, at which time the patient reported no chest pain. Which of the following is the most likely site of the culprit lesion?
yes
10%
11%
16%
10%
53%
42519
0.056
abf5de85c9e3c8eac603d8987241101e
[ "A: Right coronary artery", "B: Left circumflex artery", "C: Left coronary artery", "D: Posterior descending artery", "E: Left anterior descending artery" ]
E: Left anterior descending artery
910
sep-16-2010
What is the diagnosis?
no
9%
14%
47%
20%
10%
90088
0.072
875ab341714d1413889b1c4a84be1ab4
[ "A: Acute myelogenous leukemia", "B: Ehrlichiosis", "C: Lead poisoning", "D: Malaria", "E: Pompe disease" ]
C: Lead poisoning
911
sep-16-2021
A 73-year-old man presented with a 5-month history of blurry vision, photophobia, and burning in both eyes. On examination, he was found to have filmlike adhesions between the bulbar and palpebral conjunctivae, as well as scattered vesicles and bullae on his arms and back. What is the eye exam finding?
yes
5%
16%
16%
18%
44%
59647
0.08
3829d4e98f4ff0ebabd6a80d2e7dd951
[ "A: Conjunctivitis", "B: Episcleritis", "C: Pinguecula", "D: Pterygium", "E: Symblepharon" ]
E: Symblepharon
912
sep-17-2009
This technetium-99m sulfur colloid scan was performed after the patient presented with abdominal pain. Howell-Jolly bodies were present on a peripheral-blood smear. What is the diagnosis?
yes
25%
5%
15%
48%
6%
93896
0.072
63147ccb1dc5f4f5af9811bd3e47b396
[ "A: Hemochromatosis", "B: Hydatidiform mole", "C: Multiple myeloma", "D: Pelvic spleen", "E: Uterine sarcoma" ]
D: Pelvic spleen
913
sep-17-2015
Which of the following is NOT a common risk factor associated with this image finding?
no
8%
15%
13%
12%
52%
118985
0.058
f2d0c2a9527941a6c4c121def374a288
[ "A: Leukemia", "B: Crohn's disease", "C: Phenytoin use", "D: Pregnancy", "E: COPD" ]
E: COPD
914
sep-17-2020
An 82-year-old man presented to the emergency department with a 2-week history of generalized weakness and altered mental status. He was started on empiric treatment for meningitis, but he continued to have progressive neurologic decline with the development of seizures, and died 9 days later. Autopsy of the brain show...
yes
52%
9%
13%
9%
17%
44798
0.058
d45592b249cdbf2c3ffff8a3ce3b918a
[ "A: Granulomatous amebic encephalitis", "B: Gliomatosis cerebri", "C: Rabies", "D: Human polyomavirus 2", "E: Creutzfeldt-Jakob disease" ]
A: Granulomatous amebic encephalitis
915
sep-18-2008
What is the diagnosis?
no
14%
14%
12%
14%
46%
122600
0.073
bc16834b633b9df76ebc530bbce6f2ed
[ "A: Condylomata lata", "B: Neurofibromatosis type 1", "C: Keloid", "D: von Hippel-Lindau disease", "E: Tuberous sclerosis" ]
E: Tuberous sclerosis
916
sep-18-2014
What is the most likely diagnosis in this asymptomatic male?
yes
5%
70%
4%
20%
1%
93459
0.027
66b2afa1158192f75a359dff642d63ac
[ "A: Dercum's disease", "B: Familial multiple lipomatosis", "C: Madelung's disease", "D: Neurofibromatosis, type 1", "E: Rheumatoid arthritis" ]
B: Familial multiple lipomatosis
917
sep-19-2013
What is the diagnosis in this 36-year-old male?
yes
19%
7%
20%
9%
45%
73043
0.078
e62c0babfa68cacd4159e62c1b5b8cd8
[ "A: Amyloidosis", "B: Beriberi", "C: Hypertrophic cardiomyopathy", "D: Sarcoidosis", "E: Uremic pericarditis" ]
E: Uremic pericarditis
918
sep-19-2019
A 70-year-old woman presented with a 1-week history of dizziness and generalized rash following the onset of a viral respiratory tract infection. On physical examination, she had a generalized, macular, nonblanching, purplish rash. What is the most likely diagnosis?
yes
6%
16%
19%
46%
13%
110540
0.075
eaf2b2b2e2bf0b74e1acc2ff617d6927
[ "A: Cutaneous larva migrans", "B: Erythema infectiosum", "C: Cutis marmorata", "D: Cold agglutinin disease", "E: Erythema ab igne" ]
D: Cold agglutinin disease
919
sep-20-2007
A 70-year-old woman presented with a 1-week history of dizziness and generalized rash following the onset of a viral respiratory tract infection. On physical examination, she had a generalized, macular, nonblanching, purplish rash. What is the most likely diagnosis?
no
16%
19%
43%
11%
11%
113754
0.082
e7bde6edfd91a6e330f483a021c19665
[ "A: Scleroderma", "B: Thromboangiitis obliterans", "C: Calciphylaxis", "D: Hypoparathyroidism", "E: Osteomyelitis" ]
C: Calciphylaxis
920
sep-20-2012
This girl had developmental delay. What is the diagnosis?
yes
12%
15%
52%
3%
18%
84163
0.06
8e635453cc3da15e2d055fe695ead6e9
[ "A: Cushing's syndrome", "B: Neurofibromatosis", "C: Pigmentary mosaicism", "D: Sarcoidosis", "E: von Hippel-Lindau disease" ]
C: Pigmentary mosaicism
921
sep-20-2018
A 26-year-old previously healthy man presented to the emergency department with a 3-day history of fever, dry cough, and nonpruritic rash. A physical examination was notable for crackles on the left side of the chest and a macular, targetoid rash on his hands and feet, including the palms and soles. Over the next 3 day...
yes
13%
21%
15%
14%
38%
174422
0.098
ce5de9787645570433340606adc487bb
[ "A: Herpes simplex virus-1 gingivostomatitis", "B: Stevens–Johnson syndrome", "C: Behçet’s disease", "D: Mucocutaneous Epstein–Barr virus", "E: Mycoplasma pneumoniae-associated mucositis" ]
E: Mycoplasma pneumoniae-associated mucositis
922
sep-21-2006
This plantar lesion was associated with inguinal lymphadenopathy. What is the most likely diagnosis?
yes
29%
15%
27%
13%
16%
110805
0.136
5d83dafa9c7f0ea594cb80a3cf7bd265
[ "A: Pyogenic granuloma", "B: Plantar wart", "C: Malignant melanoma", "D: Syphilis", "E: Cat scratch disease" ]
C: Malignant melanoma
923
sep-21-2017
A 35-year-old man presented with sharp neck pain and a sensation of having a foreign body in his throat over the past year. What is the most likely diagnosis?
yes
13%
10%
8%
15%
54%
80192
0.217
0874308a3de0f0fb0da865a0aea131bf
[ "A: Cervical spondyloarthropathy", "B: Oropharyngeal fish bone foreign body", "C: Temporomandibular joint dysfunction", "D: Ernest syndrome", "E: Eagle’s syndrome" ]
A: Cervical spondyloarthropathy
924
sep-21-2023
A 54-year-old woman with asthma and allergic rhinitis presented with a 3-month history of productive cough and dyspnea. She also reported fevers, chills, night sweats, and an unintentional 9-kg (20-1b) weight loss. On lung examination, there was expiratory wheezing and diffuse crackles. Laboratory testing showed pronou...
yes
14%
57%
9%
8%
12%
33175
0.047
1bb8c5f863f11a56e1db791ae97014cd
[ "A: Allergic bronchopulmonary aspergillosis", "B: Chronic eosinophilic pneumonia", "C: Cryptogenic organizing pneumonia", "D: Drug-Induced eosinophilic pneumonia", "E: Pulmonary tuberculosis" ]
B: Chronic eosinophilic pneumonia
925
sep-22-2011
What is the diagnosis?
no
7%
30%
11%
32%
20%
113563
0.122
bc2dc247ded82f1e0c9f4df705822c58
[ "A: Melanoma", "B: Onychomycosis", "C: Psoriasis", "D: Yellow-nail syndrome", "E: Zinc deficiency" ]
D: Yellow-nail syndrome
926
sep-22-2016
A woman presented with this tender lesion on her abdomen; she was previously healthy, did not recall a recent insect bite, and otherwise had no symptoms. She improved with antibiotics. What is the diagnosis?
yes
18%
60%
7%
10%
5%
126535
0.042
38b102a2e93eb4f72d65da62db924b99
[ "A: Sporotrichoid lymphocutaneous infection", "B: Streptococcal cellulitis with lymphangitis", "C: Cutaneous lymphangitis carcinomatosa", "D: Early localized lyme disease", "E: Cutaneous lupus erythematosus" ]
B: Streptococcal cellulitis with lymphangitis
927
sep-22-2022
A 40-year-old man presented to the dermatology clinic with a 1-year history of painless swelling of his earlobes. He also reported nasal congestion and intermittent nosebleeds. Which of the following is the most likely diagnosis?
yes
12%
24%
39%
7%
18%
71797
0.096
5fe4150ffcf9769051435f4609ef18a3
[ "A: Cauliflower ear", "B: Eosinophilic Granulomatosis and Polyangiitis", "C: Lepromatous Leprosy", "D: Malignant Otitis Externa", "E: Relapsing Polychondritis" ]
C: Lepromatous Leprosy
928
sep-23-2010
This patient had subclinical hypothyroidism. What is the diagnosis?
yes
19%
14%
19%
7%
42%
119546
0.179
64c9388494efa454cfb14cddb7d5a23a
[ "A: Ectopic thyroid", "B: Hashimoto thyroiditis", "C: Iodine deficiency", "D: Pendred syndrome", "E: Thyroglossal duct cyst" ]
A: Ectopic thyroid
929
sep-23-2021
A 65-year-old man presented with painful, erythematous, and purplish plaques on the extensor surfaces of his hands and elbows. Laboratory examinations showed leukocytosis and thrombocytopenia. What is the most likely diagnosis?
yes
18%
15%
17%
43%
7%
85264
0.083
23d4d71737cd7088437454a7b11b1920
[ "A: Gottron’s papules", "B: Guttate psoriasis", "C: Immune thrombocytopenia purpura (ITP)", "D: Leukemia cutis", "E: Solar purpura" ]
D: Leukemia cutis
930
sep-24-2009
This patient presented with unilateral rhinorrhea. What is the diagnosis?
yes
16%
14%
34%
23%
13%
118826
0.11
7d16788540f831bcf4dabb71b3c20b61
[ "A: Nasal foreign body", "B: Osteoma", "C: Pituitary tumor", "D: Skull fracture", "E: Sinusitis" ]
C: Pituitary tumor
931
sep-24-2015
Which of the following is the most likely cause of a painless swelling seen in this image?
yes
57%
5%
13%
11%
15%
111011
0.048
d101b50d8b0f67e24cd03ea1aa789823
[ "A: Coronary angiography", "B: Median nerve compression", "C: Gout flare", "D: Rheumatoid arthritis", "E: Bullous pemphigoid" ]
A: Coronary angiography
932
sep-24-2020
A 62-year-old man presented to the emergency department with a 2-week history of generalized weakness and a diffuse rash. On examination he had a temperature of 38.1°C (100.6°F). Physical examination showed a maculopapular, hyperpigmented, and scaly eruption on his palms, soles, and trunk. Which one of the following is...
yes
10%
17%
58%
9%
7%
58036
0.046
7357591997727945295ddd83fb1d3dc5
[ "A: Erythema multiforme", "B: Rocky Mountain spotted fever", "C: Secondary syphilis", "D: Pityriasis rosea", "E: Infectious mononucleosis" ]
C: Secondary syphilis
933
sep-25-2008
What is the diagnosis?
no
8%
3%
6%
77%
6%
124095
0.013
36fbff6c26816ef7ed16667a61b65947
[ "A: Asbestosis", "B: Colonic interposition surgery", "C: Suppurative mediastinitis", "D: Pneumopericardium", "E: Thoracic aortic aneurysm" ]
D: Pneumopericardium
934
sep-25-2014
What is the most likely diagnosis in this 47-year-old patient with an acute headache?
yes
23%
12%
13%
30%
21%
104221
0.124
197ebc5a2475ac6967ac1d5087194173
[ "A: Encephalitis", "B: Meningitis", "C: Paget's disease", "D: Stroke", "E: Subdural hemorrhage" ]
D: Stroke
935
sep-26-2013
What is the diagnosis in this patient who had erosions on the dorsal surfaces of her hands?
yes
13%
19%
10%
38%
19%
80848
0.097
8d4bd20acd5a919196b9d973e8888bd2
[ "A: Bulimia nervosa", "B: Cushing's syndrome", "C: Hypothyroidism", "D: Porphyria cutanea tarda", "E: Theca-cell tumor of the ovary" ]
D: Porphyria cutanea tarda
936
sep-26-2019
A 46-year-old woman presented to the clinic with a 3-month history of walking difficulty due to worsening knee pain. She had received a diagnosis of rheumatoid arthritis 12 years earlier but had received treatment inconsistently. On physical examination, she had nodular swelling and outward bowing of both knees. She ha...
yes
52%
12%
15%
12%
10%
67116
0.058
61ce8a41d5f1525dcbbb79eeaa63ad9b
[ "A: Synovial chondromatosis", "B: Synovial chondrosarcoma", "C: Osteochondritis dissecans", "D: Pigmented villonodular synovitis", "E: Disseminated tuberculosis" ]
A: Synovial chondromatosis
937
sep-27-2007
What is the diagnosis?
no
5%
12%
15%
25%
44%
130110
0.083
d02466c1ea1916fb6bcfaa5c707132c3
[ "A: Rheumatoid arthritis", "B: Amyloidosis", "C: Cirrhosis", "D: Psoriasis", "E: Endocarditis" ]
E: Endocarditis
938
sep-27-2012
This 4-year-old child had intense pruritus. What is the diagnosis?
yes
55%
7%
17%
9%
11%
96865
0.051
54fe89b2eebd03f681b2707dfcab5f92
[ "A: Bacterial dermatitis", "B: Pilonidal abscess", "C: Psoriasis", "D: Scarlet fever", "E: Sexual abuse" ]
A: Bacterial dermatitis
939
sep-27-2018
A 41-year-old woman presented with worsening hair loss that had progressed over 2 years. What is the most likely diagnosis?
yes
20%
13%
41%
8%
18%
97351
0.089
811461094590f7523cf15fc3d59ab3e6
[ "A: Androgenic alopecia", "B: Discoid lupus erythematosus", "C: Hypothyroidism", "D: Secondary syphilis", "E: Trichotillomania" ]
C: Hypothyroidism
940
sep-28-2006
This patient presented with discoloration of his palms and soles. He reported a normal diet and had normal serum creatinine, thyroxine, and bilirubin concentrations. What is the diagnosis?
yes
20%
17%
24%
30%
9%
104800
0.165
6d21aabbc86e95b30d839442d609a137
[ "A: Diabetes mellitus", "B: Vitamin B12 deficiency", "C: Amiodarone exposure", "D: Hyperlipidemia type III", "E: Syphilis" ]
A: Diabetes mellitus
941
sep-28-2017
A 63-year-old woman with type 2 diabetes presented with a 2-day history of hematemesis and black stool. Esophagogastroduodenoscopy revealed longitudinal, black lesions in the lower esophagus. What is the diagnosis?
yes
9%
20%
49%
17%
5%
111852
0.068
08fcc17709f652bc54d91c2aa068200d
[ "A: Malignant melanoma", "B: Esophageal acanthosis nigricans", "C: Acute esophageal necrosis", "D: Esophageal melanocytosis", "E: Coal dust deposition" ]
C: Acute esophageal necrosis
942
sep-28-2023
A 55-year-old man presented with 10 years of progressive handwriting impairment and rapid, slurred speech. In his thirties, he had worked as a welder without access to personal protective equipment. Neurologic examination was notable for reduced facial expression, blepharospasm, and cluttered, dysarthric speech. Postur...
yes
18%
52%
11%
14%
5%
25275
0.059
62772ce2af5d3f3c1401c9206cb316c4
[ "A: Carbidopa-levodopa", "B: Chelation therapy", "C: Cholinesterase inhibitors", "D: Manganese repletion", "E: Phlebotomy" ]
B: Chelation therapy
943
sep-29-2011
What is the diagnosis?
no
61%
15%
3%
15%
5%
102145
0.04
b013a38b7faf7936d04adbcb6c52c553
[ "A: Diaphragmatic rupture", "B: Lung abscess", "C: Marfan syndrome", "D: Plombage", "E: Tuberculosis" ]
A: Diaphragmatic rupture
944
sep-29-2016
A 38-year-old woman with a history of three cesarean sections was admitted to the hospital in labor at 36 weeks of gestation. Following an emergency cesarean section, histopathological examination identified invasion of chorionic villi into but not through the myometrium. What is the diagnosis?
yes
16%
53%
9%
3%
20%
85700
0.059
e87d1e4c3c7f9347ee4ccd39ded59bf1
[ "A: Placenta accreta", "B: Placenta increta", "C: Placenta percreta", "D: Decidua", "E: Choriocarcinoma" ]
B: Placenta increta
945
sep-29-2022
A 24-year-old woman presented with a 2-month history of rash on her shins. The rash was asymptomatic and was more prominent in the left leg. It had first appeared during the winter, at which time she had been sitting by an electric heater that was closer to her left leg. Exam was without palpable purpura, subcutaneous ...
yes
15%
10%
41%
17%
17%
54553
0.088
d9022b6e84fac05a92094caba7b5e4c6
[ "A: Cryoglobulinemia", "B: Cutaneous polyarteritis nodosa", "C: Erythema ab igne", "D: Livedo reticularis", "E: Livedoid vasculitis" ]
C: Erythema ab igne
946
sep-30-2010
Movement, bathing, and exercise triggered pain in this patient's right hand. What is the most likely diagnosis?
yes
10%
42%
5%
18%
25%
95039
0.089
c8b57ae0aee2849428bd1a81b44d0e65
[ "A: Brachial plexus injury", "B: Erythromelalgia", "C: Frostbite", "D: Raynaud phenomenon", "E: Subclavian artery stenosis" ]
B: Erythromelalgia
947
sep-30-2021
A healthy 15-year-old boy presented with a 3-month history of asymptomatic papules on his glans penis. What is the diagnosis?
yes
11%
11%
10%
56%
12%
59504
0.048
8fdde3929775738c2cd41d84492773b3
[ "A: Condyloma acuminatum", "B: Fordyce spots", "C: Molluscum contagiosum", "D: Pearly penile papules", "E: Sebaceous hyperplasia" ]
D: Pearly penile papules