20 results
Chancroid with Bubo on Doppler POCUS

College-age male with right groin pain/swelling.  Simple abscess? 
Right groin
Chancroid with Bubo ... Chancroid with bubo ... US-lymphadenitis ... #Chancroid #Bubo ... #POCUS #Lymphadenitis
Herpes Simplex Virus 
Lymphadenitis 
 • Expanded paracortex 
 • HSV-infected cells are 
present in areas
Simplex Virus Lymphadenitis ... Simplex #Virus #Lymphadenitis
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
late phase HIV lymphadenitis ... Pattern C" in HIV Lymphadenitis ... pattern C #HIV #Lymphadenitis
Causes of Acute Pelvic Pain - Differential Diagnosis Algorithm
Non-Gynecologic:
• Genitourinary (Infection, Stone)
• Gastrointestinal (Appendicitis, Gastroenteritis, Diverticulitis,
Dysmenorrhea Ovary: • Tubo-ovarian ... Fallopian Tube: • Tubo-ovarian
Paracoccidioides brasiliensis Lymphadenitis: 

Paracoccidioidomycosis is a systemic fungal infection rare in the US, but endemic in
Paracoccidioides brasiliensis Lymphadenitis ... #brasiliensis #Lymphadenitis
Nontuberculous Mycobacteria
RAPID GROWERS: 
 • Mycobacterium abscessus, chelonae, fortuitum
SLOW GROWERS: 
 • Mycobacterium avium complex, marinum,
chelonae SUPERFICIAL LYMPHADENITIS
Causes of Pelvic Mass - Differential Diagnosis Algorithm
Gastrointestinal:
 • Appendiceal abscess
 • Diverticular abscess
 • Diverticulosis
Fallopian Tube: • Tubo-ovarian
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Osteomyelitis • Lymphadenitis
Neck Mass - Differential Diagnosis Algorithm
Congenital Neck Mass:
 • Thyroglossal Duct Cyst
 • Branchial Cleft Anomalies
Inflammatory Lymphadenitis
MIAMI Mnemonic for Differential Diagnosis of Lymphadenopathy
Malignancies
 - Kaposi sarcoma, leukemias, lymphomas, metastases, skin neoplasms
Infections
 -
disease, Kikuchi lymphadenitis