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Case Studies

Growing Eye Mass Leads to a Rare Diagnosis

โ€” Tropical parasitic disease is often asymptomatic, but beware of unexplained ocular symptoms

A photo of skewers of crocodile meat at a market.

Latest in Case Studies

Eye Pain and Deteriorating Vision After Treatment for Macular Degeneration

Case highlights risk-benefit considerations with concurrent bilateral intravitreal injections

Apr 01, 2024
Mysterious Acute-Onset Neck Mass in a Young Man

Among many diagnostic options for a rare condition, be aware of potential pitfalls

Mar 18, 2024
Unexplained Rash With No Itch and Shoulder Pain Suddenly Affects Young Girl

Skin symptoms dramatically improved after use of sun protection

Mar 04, 2024
Transient Left-Sided Weakness, Facial Palsy in Middle-Age Man

Timely recognition of this rare phenomenon considered crucial to prevent recurrent stroke

Feb 20, 2024
Unexplained Rash With No Itch and Shoulder Pain Suddenly Affects Young Girl

Skin symptoms dramatically improved after use of sun protection

Transient Left-Sided Weakness, Facial Palsy in Middle-Age Man

Timely recognition of this rare phenomenon considered crucial to prevent recurrent stroke

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Restricted Leg Movement in a Tween Boy Reveals an Insidious Skin Disorder

Long-ignored patches of progressively hardening skin finally receive a rare diagnosis

Feb 05, 2024
A photo of a boy wincing as he tries to bend his leg.
Retinal Tumor Risk Incidentally Detected at 29 Weeks' Gestation

Finding poses clinical and ethical dilemma for parents and clinicians

Jan 08, 2024
A photo of a pregnant woman receiving an ultrasound.
Significant Left Nasal Obstruction Finally Diagnosed After 2 Years

Nonspecific presentation impedes early diagnosis of rare indolent tumor in older man

Dec 26, 2023
A female ear, nose, and throat doctor wearing a headlamp examines her senior male patient.
After Chemo, Breast Cancer Patient Develops Two Malignant Neoplasms

Be aware of the potential for secondary malignancy in relation to LCH diagnosis, researchers urge

Dec 04, 2023
A photo of a womanโ€™s hand on her skin, which is affected by a rash.
Teen With Severe, Recalcitrant Dermatomyositis Seeks New Option

Treatment-resistant juvenile dermatomyositis resolved by targeting elevated interferon-beta

Nov 24, 2023
A close up photo of a teen girl with a face rash.
Years of Progressing Facial Numbness and Deteriorating Vision Drives Diagnosis

Suspect perineural recurrence of cutaneous squamous cell carcinoma, experts urge

Nov 02, 2023
A photo of a senior man sitting on a couch with his eyes shut and fingers touching his temples
What Caused the Pigmented Spot on Teen Boy's Eye?

Authors discuss how best to diagnose and manage him, given the absence of any symptoms

Oct 17, 2023
 A photo of a teen male undergoing a slit lamp examination of his eye.
Woman Develops Chorioretinal Anastomosis at Site of Photocoagulation Scar

A serendipitous iatrogenic effect following laser surgery in a patient with NF1

Oct 02, 2023
A photo of a female ophthalmologist taking a retinography of her female patientโ€™s fundus.
Child Develops Voluminous Diarrhea After Amoxicillin

Discordant test results complicate diagnosis of suspected C. difficile

Sep 18, 2023
 A photo of a fecal sample container.
Patient Develops Inflamed Rash After Double Mastectomy

Incision sites were itchy, painful, red, and oozing and were not showing signs of healing

Sep 05, 2023
A photo of a woman with skin allergy test patches on her back.
HIV Patient With Movement Disorder Has Different Symptoms on Left and Right Sides

An unusual manifestation of cerebral toxoplasmosis

Aug 21, 2023
A photo of a mature woman receiving a brain CT scan.
Why Is Older Woman Seeing Spots After Intravitreal Treatment?

Clinicians sort through potential contributors to floaters that follow pegcetacoplan injection

Aug 14, 2023
A close-up of senior womanโ€™s eye.
Elderly Man Develops Facial Plaque After Salivary Duct Carcinoma Diagnosis

Clinicians consider a number of differential diagnoses before making the call

Jul 31, 2023
A photo of a mature male physician looking at an x-ray of a personโ€™s head and neck.
Young Man's Claw-Like Hands and Annular, Reddened Skin Plaques

Clinicians diagnose a notorious transmissible bacterial infection rarely seen in the U.S.

Jul 24, 2023
A microscope image of skin affected by leprosy
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