The full-body scan finds a forgotten copper IUD
House looks inside the patient for the allergen; the scan reveals a decades-old copper device, which explains everything from the cookware onward.

Every House moment featuring Robert Chase, in story order. Played by Jesse Spencer.
127 moments · 3h 22m · by Favseen
Moments 31–60 of 127
House looks inside the patient for the allergen; the scan reveals a decades-old copper device, which explains everything from the cookware onward.
The team mocks his interest in a schizophrenic's leg clot; House answers with ancient cures and a roll call of brilliant madmen.
Vitamin K deficiency, an antibiotic interaction or alcohol: House pits his team's ideas against each other and sends them to find out.
The team lands on a rare copper disorder, House questions their hope, and a forgotten eye appointment leads to copper rings in Lucy's eyes.
Handed a woman who sleeps 18 hours a day, House questions the referrer's motives and mocks each theory, ending with a fairy-tale diagnosis.
With no tumor found, House opts to treat symptoms, sends Foreman to Elyse's workplace, and answers his complaint with a pointed joke.
Infections are ruled out one by one until the team is left with an African parasite or an inhaled bacterium, and House praises Foreman.
Running the tests, Foreman wonders why House singles him out, and his colleagues offer a theory before weighing two risky treatments.
House cites an obscure Portuguese case of sleeping sickness passed by sex, assigns the cheating questions, then is caught having read a doctor's file.
Foreman and Chase question Ed and Elyse apart, warning that a lie could be fatal, and both insist on their love and fidelity.
Fever and failing blood pressure make the team consider stopping; Ed pleads at her side until Elyse opens her eyes.
Chase shares his own wild youth to get answers; Margo Davis reveals she secretly drug-tested her son, then Matt starts to seize.
As Matt needs his heart paced, Margo demands options; Chase offers an experimental army treatment, House needles him, and a garden becomes the suspect.
Margo says the garden spray was swapped for something organic and blocks treatment; House argues she should be overruled as irrational.
Just as treatment is about to start, a student named Chi Ling arrives with identical symptoms, and he lives nowhere near Matt.
The team compares the two families' toiletries product by product until a jug of the same detergent turns up in both homes.
Chi never washed his brand-new clothes, and a crisp label shows Matt's ratty jeans were never old at all, pointing to the clothes themselves.
Foreman wants to stick to pneumonia; House mocks him and the team floats treatable alternatives to A.L.S.
The I.V.I.G. crashes John Henry's lungs; the team freezes over the D.N.R. and House tubes him anyway.
Foreman and Cameron argue it was the patient's decision; House says he'd do it again and the debate is pointless.
House mistakes the process server for a stripper, then has the patient moved above the clinic to dodge clinic duty.
Hamilton dangles a partnership in L.A.; Foreman asks Chase and Cameron whether House's assault bothers them.
Steroids shrink the swelling and reveal a malformation compressing the spine that was there all along.
After the bite, a chin-implant patient loses her scan; Cuddy finds a pin in the arm and sends Foreman to the streets.
The biopsy confirms the tuberculoma but her fever hits 105; Foreman argues over the Prozac, then forces her into ice.
The team lists infection, lupus, drugs and cancer, and House ends the meeting on his leg's schedule.
The team tests for drugs, lupus and lymphoma; the father recalls his wife's cancer and Keith fears the same.
House shrugs off the eye, spots Cuddy's spy in Wilson, denies withdrawal and lands on a heart infection.
In Cuddy's office the team argues detox has broken him; House arrives and proposes a test dose that hurts just enough.
House picks Cameron because the dad trusts her; the team argues whether House is losing it.