358 results
Trichofolliculoma - Dermatopathology
Mnemonic: Mama and her Babies. Multiple vellus hair follicles emanating from one large central
Multiple vellus hair follicles ... large central hair follicle ... trichofolliculoma #Pathology
Here is a lymph node with florid follicular hyperplasia typical of HIV lymphadenitis (so-called "pattern A",
follicular hyperplasia (follicles ... Follicle lysis ... Lymphadenitis #PatternA #Pathology
Castleman's Disease and Associated Syndromes
HYALINE VASCULAR VARIANT
 • unicentric, HHV8-ve, children and young.
 • Hyalinized vessels
penetrating the follicle ... cells between follicles ... Variants #Diagnosis #Pathology
Trichodysplasia spinulosa: follicles plugged w/ hyperkeratotic & parakeratotic debris, excessive inner root sheath differentiation towards keratinization.
Trichodysplasia spinulosa: follicles ... Trichodysplasia #spinulosa #Pathology
Here is a lymph node that is lymphoid-depleted, fibrotic, and burned-out, typical of late phase HIV
depletion, atrophic follicles ... Lymphadenitis #PatternC #Pathology
Amiodarone induced thyroid changes

Histopath: Remarkably enlarged follicles, distended with colloid, without 
scalloping, and lined by flattened
Remarkably enlarged follicles ... Some follicles contain ... thyrotoxicosis #AIT #Pathology
Nodular Lymphoid Hyperplasia - gastroduodenoscopy, which revealed numerous nodules in the duodenum (Panel A). Multiple biopsies
prominent lymphoid follicles ... B) #Clinical #Pathology
Menstrual Cycle Physiology: Ovarian Cycle – Follicular Phase Explained
Early Follicular Phase (Days 0-5)
 • Granulosa cells
level stimulates follicle ... , the dominant follicle ... unclear, but this follicle ... such that other follicles ... key to normal follicle
Menstrual Cycle Physiology: Correlating the Ovarian and Uterine Cycles
Note: Some charts show different relative levels of
mechanisms), 6-20 follicles ... • One follicle ... into the mature follicle ... theca cells of the follicle ... growth of new follicles
Menstrual Cycle Physiology: Ovarian Cycle – Ovulation Explained

Around Day 14, estrogen exerts sudden +++ positive feedback
production within the follicle ... degradation of ovarian + follicle ... Protrusion of follicle ... towards one side of follicle